Seiko / Fashion / Seiko SPB439 Prospex GMT Diver Save the Ocean Limited Edition
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch
seiko spb439 limited edition save the ocean prospex watch

Seiko SPB439 Prospex GMT Diver Save the Ocean Limited Edition

$1,600.00 Sale OFF

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From the

Prospex

Collection

Limited Edition
seiko spb439 limited edition save the ocean prospex watch

The Seiko SPB439 reimagines the brand's landmark 1968 diver with a powerful environmental statement.

 Limited to just 1,500 numbered pieces worldwide, this GMT-equipped dive watch channels the fragile beauty of Arctic glaciers through its textured silver dial, while the Arctic blue GMT hand and 24-hour scale evoke northern polar waters. Part of Seiko's dedicated Save the Ocean initiative, a portion of proceeds supports marine conservation efforts.

At its heart beats the robust Caliber 6R54, a 24-jewel automatic GMT movement offering an impressive 72-hour power reserve and independently adjustable GMT hand in one-hour increments. The 42mm stainless steel case features super-hard coating and houses a Japanese-made black ceramic unidirectional bezel with knurled edge for enhanced grip. Sapphire crystal with anti-reflective coating protects the dial, where generous LumiBrite markers ensure legibility in any diving condition.

The watch maintains ISO-certified 200-meter water resistance through its screwdown crown and caseback, while the tri-fold push button release clasp includes both secure lock and diver's extender.

  • Prospex Save the Ocean Limited Edition GMT
  • To mark 110 years of watchmaking excellence, Seiko is highlighting its continuous dedication to evolving technology, as well as diversity, equality and the sustainable manufacturing necessary to meet environmental challenges
  • A portion of the proceeds supports marine conservation as part of the Seiko “Save the Ocean” campaign
  • Limited Edition of 1,500
  • Production serial number engraved on caseback
  • Prospex Automatic Diver
  • Automatic GMT with manual winding capability
  • Black ceramic uni-directional rotating elapsed timing bezel
  • Silver dial with three-dimensional pressed pattern evoking glaciers
  • Date calendar
  • Blue GMT hand
  • LumiBrite hands and markers
  • Screwdown crown and caseback
  • Tri-fold push button release clasp with secure lock and extender
  • Packaged in a Limited Edition collectors’ box

Movement

  • Type: Automatic GMT
  • Caliber: 6R54
  • Vibrations: 21,600 vibrations per hour
  • Jewels: 24 jewels
  • Power Reserve: Approximately 72 hours

Case Dimensions

  • Material: Stainless steel case with durable super-hard coating
  • Diameter: 42 mm
  • Thickness: 12.9 mm
  • Length: 48.6 mm

Other

  • Crystal Material: Sapphire crystal with anti-reflective coating on the inner surface
  • Water Resistance: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving
  • Dial Color: Silver
  • Strap: Stainless steel bracelet with super-hard coating
  • Lug Width: 20 mm
seiko spb439 limited edition save the ocean prospex watch

The Seiko SPB439 reimagines the brand's landmark 1968 diver with a powerful environmental statement.

 Limited to just 1,500 numbered pieces worldwide, this GMT-equipped dive watch channels the fragile beauty of Arctic glaciers through its textured silver dial, while the Arctic blue GMT hand and 24-hour scale evoke northern polar waters. Part of Seiko's dedicated Save the Ocean initiative, a portion of proceeds supports marine conservation efforts.

At its heart beats the robust Caliber 6R54, a 24-jewel automatic GMT movement offering an impressive 72-hour power reserve and independently adjustable GMT hand in one-hour increments. The 42mm stainless steel case features super-hard coating and houses a Japanese-made black ceramic unidirectional bezel with knurled edge for enhanced grip. Sapphire crystal with anti-reflective coating protects the dial, where generous LumiBrite markers ensure legibility in any diving condition.

The watch maintains ISO-certified 200-meter water resistance through its screwdown crown and caseback, while the tri-fold push button release clasp includes both secure lock and diver's extender.

  • Prospex Save the Ocean Limited Edition GMT
  • To mark 110 years of watchmaking excellence, Seiko is highlighting its continuous dedication to evolving technology, as well as diversity, equality and the sustainable manufacturing necessary to meet environmental challenges
  • A portion of the proceeds supports marine conservation as part of the Seiko “Save the Ocean” campaign
  • Limited Edition of 1,500
  • Production serial number engraved on caseback
  • Prospex Automatic Diver
  • Automatic GMT with manual winding capability
  • Black ceramic uni-directional rotating elapsed timing bezel
  • Silver dial with three-dimensional pressed pattern evoking glaciers
  • Date calendar
  • Blue GMT hand
  • LumiBrite hands and markers
  • Screwdown crown and caseback
  • Tri-fold push button release clasp with secure lock and extender
  • Packaged in a Limited Edition collectors’ box

Movement

  • Type: Automatic GMT
  • Caliber: 6R54
  • Vibrations: 21,600 vibrations per hour
  • Jewels: 24 jewels
  • Power Reserve: Approximately 72 hours

Case Dimensions

  • Material: Stainless steel case with durable super-hard coating
  • Diameter: 42 mm
  • Thickness: 12.9 mm
  • Length: 48.6 mm

Other

  • Crystal Material: Sapphire crystal with anti-reflective coating on the inner surface
  • Water Resistance: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving
  • Dial Color: Silver
  • Strap: Stainless steel bracelet with super-hard coating
  • Lug Width: 20 mm

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Frequently Asked Questions

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

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