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Seiko Prospex 1968 Divers Heritage Reinterpretation Marinemaster Watch | 300M | 42mm | Automatic | Black
Ref: HBF001J1

View  Seiko Collection

Price £3,300.00
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New Release: As a Seiko authorised launch partner, we are pleased to offer you early access now. Release Date July 2026.

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Highlights:
  • In 1968, Seiko launched a revolutionary new innovation with the world's first hi-beat Diver's watch.
  • A case design inspired by the original 1968 model, carrying the 'Marinemaster' name from Seiko's rich diving watch heritage.
  • The dial features a satin-finished, professional-grade texture designed to reduce light reflection and ensure high contrast, optimised for underwater visibility.
  • A streamlined case, with the crown in the comfy 4 o'clock position, strong Lumibrite for legibility at the darkest depths and a bezel meet ISO Diving standards.
  • This Air Diver features a stainless-steel bezel with a ceramic insert and a super-hard coating for enhanced scratch resistance.
  • Crafted at the Shizukuishi Watch Studio in Japan's Iwate Prefecture, this calibre offers accuracy of +10/-5 seconds per day.
  • This Seiko watch features a screw case back, screw-down crown, and stop-seconds function for precise time setting and enhanced durability.
  • Prospex is a combination of the words 'Professional' and 'Specifications.'
  • Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.
  • A black HMSD dial Seiko men's watch.
  • The mechanism used is a 8L45 automatic movement. This calibre movement is complete with 35 jewels and a 72-hour power reserve.
  • The uni-directional rotating bezel: The precise and safe operation of the uni-directional bezel prevents accidental rotation. This is to prevent the watch from displaying the elapsed time shorter than it actually is.
  • Dual-curved sapphire crystal with an inner anti-reflective coating provides enhanced scratch resistance for everyday wear.
  • The easy-to-read dial features lumibrite on the hands, indexes, and bezel.
More features:
  • Displays date at the 3 o'clock position.
  • The dial features three hands and hour markers.
  • A stainless-steel case watch.
  • A stainless-steel bracelet with a three-fold clasp, secure lock, and push-button release, plus a slide adjuster for a secure fit.
  • 300 metres water-resistant.
  • 3 years manufacturer warranty.

Warranty3 years
EditionProspex
Dial ColourBlack
Date FeatureDate display at the 3 o'clock position
Usually ForMen
GlassSapphire Crystal
Water Resistancy300 Metres
Case Width42mm
Case Thickness14.1mm
Case MaterialStainless-steel
Band MaterialStainless-steel
Band Width20mm
Band TypeBracelet
Clasp TypeThree-fold Clasp
BezelUnidirectional
Bezel MaterialStainless-steel
CrownScrew-down
MovementAutomatic
Calibre8L45
Jewels35
Power Reserve72 Hours
Accuracy+10/-5 seconds per day
Vibrations28,000 vibrations per hour (8 beats per second)
Magnetic Resistance4,800 A/m

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