Seiko / Seiko Luxe / King Seiko Kintaro Hattori 145th Anniversary Limited Edition-Ref. SJE121
A King Seiko SJE121 limited edition automatic watch, showcasing its 38.6mm ultra-slim stainless steel case, textured charcoal black dial with multifaceted silver indices, and a vintage-style seven-link metal bracelet.
Seiko watch with a gradient  black dial and silver metal strap on a white background
Silver Seiko watch with a black face on a white background angled view
Silver Seiko watch with detailed case back on a white background
A King Seiko SJE121 limited edition automatic watch, showcasing its 38.6mm ultra-slim stainless steel case, textured charcoal black dial with multifaceted silver indices, and a vintage-style seven-link metal bracelet.
Seiko watch with a gradient  black dial and silver metal strap on a white background
Silver Seiko watch with a black face on a white background angled view
Silver Seiko watch with detailed case back on a white background
Authorized Seiko Retailer

King Seiko Kintaro Hattori 145th Anniversary Limited Edition-Ref. SJE121

$3,100.00
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Family-Owned Since 1922
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Honoring the Founder's Legacy

Celebrate the pinnacle of vintage-inspired Japanese watchmaking with the King Seiko SJE121 (SJE121J1). Released as a prestigious Limited Edition of just 1,000 pieces worldwide, this exceptional timepiece commemorates the 145th anniversary of Seiko’s founding by Kintaro Hattori. Reimagining the sharp, angular geometry of the legendary 1965 King Seiko KSK, it honors the enduring commitment to craftsmanship that defines the collection.

The standout feature is its textured charcoal black dial, adorned with a complex, woven pattern reminiscent of traditional Japanese textiles. This artistic texture beautifully contrasts against the razor-sharp, multifaceted hour markers and razor-edged hands, catching the light from every possible angle. A signature textured index sits prominently at the 12 o'clock position, paying direct homage to the original KSK design.

High-Grade Ultra-Slim Automatic Caliber 6L35

Driven by the premium, high-grade caliber 6L35 automatic movement, this timepiece operates at a smooth 28,800 vibrations per hour and delivers a 45-hour power reserve. This advanced movement allows the stainless steel case to maintain an impressively slim profile of just 10.7mm, sliding effortlessly under any dress shirt cuff. The case features beautifully zaratsu-polished surfaces and a box-shaped sapphire crystal with an anti-reflective inner coating for crystal-clear legibility.

The watch is anchored by a vintage-style, seven-link stainless steel bracelet with a push-button deployment clasp and offers 5 bar of water resistance. The solid screwdown caseback proudly features the historic King Seiko crest shield emblem alongside its individual, engraved limited-edition serial number, making it a masterpiece of timeless horological art.

  • Brand: King Seiko

  • Collection: Kintaro Hattori 145th Anniversary Limited Edition

  • Model Number: SJE121 (SJE121J1)

  • Availability: Limited Edition of Only 1,000 Pieces Globally

  • Movement: Caliber 6L35 High-Grade Mechanical Automatic (Hand-Winding Capable)

  • Power Reserve: Approx. 45 Hours (26 Jewels)

  • Case Material: Stainless Steel with Zaratsu Polished Angles

  • Dial Details: Textured Charcoal Black "Woven Textile" Dial with Faceted Indices

  • Crystal: Box-Shaped Sapphire Crystal with Anti-Reflective Inner Coating

  • Case Dimensions: 38.6mm Diameter / 10.7mm Thickness / 45.8mm Lug-to-Lug

  • Bracelet: Vintage-Inspired 7-Link Stainless Steel Band with Deployment Clasp

  • Water Resistance: 5 bar (50 Meters / 165 Feet)

We offer complimentary shipping on all orders, with each piece carefully packaged and fully insured for delivery. For full details on shipping methods and timelines, please visit our Shipping Policy.

Articles may be returned for a refund or exchange within 30 days of purchase, provided they are in salable condition and accompanied by a valid sales receipt. Please note that some exclusions may apply. For complete return guidelines, visit our Returns Policy.

Honoring the Founder's Legacy

Celebrate the pinnacle of vintage-inspired Japanese watchmaking with the King Seiko SJE121 (SJE121J1). Released as a prestigious Limited Edition of just 1,000 pieces worldwide, this exceptional timepiece commemorates the 145th anniversary of Seiko’s founding by Kintaro Hattori. Reimagining the sharp, angular geometry of the legendary 1965 King Seiko KSK, it honors the enduring commitment to craftsmanship that defines the collection.

The standout feature is its textured charcoal black dial, adorned with a complex, woven pattern reminiscent of traditional Japanese textiles. This artistic texture beautifully contrasts against the razor-sharp, multifaceted hour markers and razor-edged hands, catching the light from every possible angle. A signature textured index sits prominently at the 12 o'clock position, paying direct homage to the original KSK design.

High-Grade Ultra-Slim Automatic Caliber 6L35

Driven by the premium, high-grade caliber 6L35 automatic movement, this timepiece operates at a smooth 28,800 vibrations per hour and delivers a 45-hour power reserve. This advanced movement allows the stainless steel case to maintain an impressively slim profile of just 10.7mm, sliding effortlessly under any dress shirt cuff. The case features beautifully zaratsu-polished surfaces and a box-shaped sapphire crystal with an anti-reflective inner coating for crystal-clear legibility.

The watch is anchored by a vintage-style, seven-link stainless steel bracelet with a push-button deployment clasp and offers 5 bar of water resistance. The solid screwdown caseback proudly features the historic King Seiko crest shield emblem alongside its individual, engraved limited-edition serial number, making it a masterpiece of timeless horological art.

  • Brand: King Seiko

  • Collection: Kintaro Hattori 145th Anniversary Limited Edition

  • Model Number: SJE121 (SJE121J1)

  • Availability: Limited Edition of Only 1,000 Pieces Globally

  • Movement: Caliber 6L35 High-Grade Mechanical Automatic (Hand-Winding Capable)

  • Power Reserve: Approx. 45 Hours (26 Jewels)

  • Case Material: Stainless Steel with Zaratsu Polished Angles

  • Dial Details: Textured Charcoal Black "Woven Textile" Dial with Faceted Indices

  • Crystal: Box-Shaped Sapphire Crystal with Anti-Reflective Inner Coating

  • Case Dimensions: 38.6mm Diameter / 10.7mm Thickness / 45.8mm Lug-to-Lug

  • Bracelet: Vintage-Inspired 7-Link Stainless Steel Band with Deployment Clasp

  • Water Resistance: 5 bar (50 Meters / 165 Feet)

We offer complimentary shipping on all orders, with each piece carefully packaged and fully insured for delivery. For full details on shipping methods and timelines, please visit our Shipping Policy.

Articles may be returned for a refund or exchange within 30 days of purchase, provided they are in salable condition and accompanied by a valid sales receipt. Please note that some exclusions may apply. For complete return guidelines, visit our Returns Policy.

Silver Seiko watch with detailed case back on a white background

Honoring the Founder's Legacy

Celebrate the pinnacle of vintage-inspired Japanese watchmaking with the King Seiko SJE121 (SJE121J1). Released as a prestigious Limited Edition of just 1,000 pieces worldwide, this exceptional timepiece commemorates the 145th anniversary of Seiko’s founding by Kintaro Hattori. Reimagining the sharp, angular geometry of the legendary 1965 King Seiko KSK, it honors the enduring commitment to craftsmanship that defines the collection.

The standout feature is its textured charcoal black dial, adorned with a complex, woven pattern reminiscent of traditional Japanese textiles. This artistic texture beautifully contrasts against the razor-sharp, multifaceted hour markers and razor-edged hands, catching the light from every possible angle. A signature textured index sits prominently at the 12 o'clock position, paying direct homage to the original KSK design.

High-Grade Ultra-Slim Automatic Caliber 6L35

Driven by the premium, high-grade caliber 6L35 automatic movement, this timepiece operates at a smooth 28,800 vibrations per hour and delivers a 45-hour power reserve. This advanced movement allows the stainless steel case to maintain an impressively slim profile of just 10.7mm, sliding effortlessly under any dress shirt cuff. The case features beautifully zaratsu-polished surfaces and a box-shaped sapphire crystal with an anti-reflective inner coating for crystal-clear legibility.

The watch is anchored by a vintage-style, seven-link stainless steel bracelet with a push-button deployment clasp and offers 5 bar of water resistance. The solid screwdown caseback proudly features the historic King Seiko crest shield emblem alongside its individual, engraved limited-edition serial number, making it a masterpiece of timeless horological art.

  • Brand: King Seiko

  • Collection: Kintaro Hattori 145th Anniversary Limited Edition

  • Model Number: SJE121 (SJE121J1)

  • Availability: Limited Edition of Only 1,000 Pieces Globally

  • Movement: Caliber 6L35 High-Grade Mechanical Automatic (Hand-Winding Capable)

  • Power Reserve: Approx. 45 Hours (26 Jewels)

  • Case Material: Stainless Steel with Zaratsu Polished Angles

  • Dial Details: Textured Charcoal Black "Woven Textile" Dial with Faceted Indices

  • Crystal: Box-Shaped Sapphire Crystal with Anti-Reflective Inner Coating

  • Case Dimensions: 38.6mm Diameter / 10.7mm Thickness / 45.8mm Lug-to-Lug

  • Bracelet: Vintage-Inspired 7-Link Stainless Steel Band with Deployment Clasp

  • Water Resistance: 5 bar (50 Meters / 165 Feet)

Crystal Box shaped sapphire crystal

Crystal Coating Anti-reflective coating on inner surface
Clasp Deployment clasp with push button release Distance between lugs 19

Caliber Number 6L35

Movement Type Automatic with manual winding
Precision +15 to -10 seconds per day
Power reserve Approx. 45 hours
Jewels 26
Functions

  • Stop second hand function
  • Date display

Case Material Stainless steel
Case Size
Thickness:9.9mm

Diameter:39.4mm

Lug-to-lug:43.6mm


Water Resistance 5 bar
Magnetic Resistance 4,800 A/m
Weight 126.0g

Features

  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Screw case back
Silver Seiko watch with detailed case back on a white background

Honoring the Founder's Legacy

Celebrate the pinnacle of vintage-inspired Japanese watchmaking with the King Seiko SJE121 (SJE121J1). Released as a prestigious Limited Edition of just 1,000 pieces worldwide, this exceptional timepiece commemorates the 145th anniversary of Seiko’s founding by Kintaro Hattori. Reimagining the sharp, angular geometry of the legendary 1965 King Seiko KSK, it honors the enduring commitment to craftsmanship that defines the collection.

The standout feature is its textured charcoal black dial, adorned with a complex, woven pattern reminiscent of traditional Japanese textiles. This artistic texture beautifully contrasts against the razor-sharp, multifaceted hour markers and razor-edged hands, catching the light from every possible angle. A signature textured index sits prominently at the 12 o'clock position, paying direct homage to the original KSK design.

High-Grade Ultra-Slim Automatic Caliber 6L35

Driven by the premium, high-grade caliber 6L35 automatic movement, this timepiece operates at a smooth 28,800 vibrations per hour and delivers a 45-hour power reserve. This advanced movement allows the stainless steel case to maintain an impressively slim profile of just 10.7mm, sliding effortlessly under any dress shirt cuff. The case features beautifully zaratsu-polished surfaces and a box-shaped sapphire crystal with an anti-reflective inner coating for crystal-clear legibility.

The watch is anchored by a vintage-style, seven-link stainless steel bracelet with a push-button deployment clasp and offers 5 bar of water resistance. The solid screwdown caseback proudly features the historic King Seiko crest shield emblem alongside its individual, engraved limited-edition serial number, making it a masterpiece of timeless horological art.

  • Brand: King Seiko

  • Collection: Kintaro Hattori 145th Anniversary Limited Edition

  • Model Number: SJE121 (SJE121J1)

  • Availability: Limited Edition of Only 1,000 Pieces Globally

  • Movement: Caliber 6L35 High-Grade Mechanical Automatic (Hand-Winding Capable)

  • Power Reserve: Approx. 45 Hours (26 Jewels)

  • Case Material: Stainless Steel with Zaratsu Polished Angles

  • Dial Details: Textured Charcoal Black "Woven Textile" Dial with Faceted Indices

  • Crystal: Box-Shaped Sapphire Crystal with Anti-Reflective Inner Coating

  • Case Dimensions: 38.6mm Diameter / 10.7mm Thickness / 45.8mm Lug-to-Lug

  • Bracelet: Vintage-Inspired 7-Link Stainless Steel Band with Deployment Clasp

  • Water Resistance: 5 bar (50 Meters / 165 Feet)

Crystal Box shaped sapphire crystal

Crystal Coating Anti-reflective coating on inner surface
Clasp Deployment clasp with push button release Distance between lugs 19

Caliber Number 6L35

Movement Type Automatic with manual winding
Precision +15 to -10 seconds per day
Power reserve Approx. 45 hours
Jewels 26
Functions

  • Stop second hand function
  • Date display

Case Material Stainless steel
Case Size
Thickness:9.9mm

Diameter:39.4mm

Lug-to-lug:43.6mm


Water Resistance 5 bar
Magnetic Resistance 4,800 A/m
Weight 126.0g

Features

  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Screw case back

Why Choose Skeie's

Authorized Dealer
Official Seiko authorized dealer with full manufacturer warranty and authenticity guarantee
Expert Service
Decades of horological expertise with certified watchmakers and personalized customer care
Fast & Secure Shipping
Insured delivery with tracking, carefully packaged to arrive in perfect condition

Every new Seiko purchased at Skeie's is backed by their 3-year warranty

3
YEAR
WARRANTY
Click here to view Seiko's warranty policy

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Frequently Asked Questions

We have a team of expert goldsmiths and jewelers on site, and can work on a large range of repair needs. 

Common repairs include ring sizing, polishing, rhodium plating, adjusting chain length, replacing clasps, re-stringing services, and more.

There is no appointment necessary to drop off your items for review and estimates.

We cannot give price estimates over the phone or online, as every piece can vary.

For more information view our Jewelry Services

Yes, we have GIA Graduate Gemologists with over 50 years of invaluable experience. Whether you're curious about the worth of a family heirloom or seeking an appraisal for insurance purposes, our seasoned professionals offer meticulous evaluations to ensure you understand the true worth of your treasures.

Additionally, we have an AGS Accredited Gem Lab® (AGL) with a collection of advanced equipment allowing our gemologists to thoroughly inspect jewelry, determine and grade its qualities, calculate measurements, and arrive at an estimation of value.

Since we're located in Eugene, Oregon, we do not charge sales tax.

We offer free shipping on all orders. Our standard shipping is 3-7 days; all items are fully insured, arrive in discrete packaging, and require a signature upon delivery.

For more information view our Shipping Policy

Items may be returned for a refund or exchange within 30 days of purchase, provided they are in salable condition and accompanied by a valid sales receipt. Certain exclusions may apply.

For full details, please review our Refund Policy