Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition
Case
- Diameter
- 42mm
- Thickness
- 13.3mm
- Lug-to-lug
- 48.6mm
- Lug width
- 20mm
- Material
- Stainless Steel
- Water resistance
- 300m
Crystal & dial
- Crystal
- Sapphire
- AR coating
- Anti-reflective coating on inner surface
- Lume
- LumiBrite on hands, index(es) and bezel
Movement
- Caliber
- Seiko 6R54
- Type
- Automatic
- Power reserve
- 72h
- Jewels
- 24
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- rotating
- Bracelet
- lug-attached
- Hands
- baton
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Prospex Sea collection · 32 watches
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The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing relative to its price point, featuring a beautiful case, bracelet, and strong Lumibrite lume. Enthusiasts and reviewers highlight the comfortable 42mm case size and the distinctive 4 o'clock crown position. The watch is powered by the in-house 6R54 automatic movement, offering a 72-hour power reserve and rated accuracy of -5/+10 seconds per day, though one source notes the GMT function is secondary. Some find the 4:30 date window divisive, and the bezel clicks are described as quieter than expected. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its refined design and strong value proposition.
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