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Raven Custom - 39mm GMT Diver
Case
- Diameter
- 39mm
- Lug width
- 20mm
- Material
- Ceramic
- Water resistance
- 200m
Crystal & dial
- Crystal
- Sapphire
Movement
- Caliber
- Seiko NH34
- Type
- Automatic
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Seiko
A Seiko (TMI / Seiko Instruments) automatic GMT caliber — the export-market designation of the Seiko 4R34 — that adds a 24-hour fourth hand to the NH35 / 4R35 base. It runs at 21,600 vph with about 41 hours of power reserve, hacks and hand-winds, and has become the default affordable GMT for microbrands.
Design language
- Case shape
- round
- Dial style
- standard
- Bezel
- rotating_unidirectional
- Bracelet
- metal_oyster
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Owners praise the Raven Custom - 39mm GMT Diver - for its 39mm case size, legibility, and bezel action. The watch features a Seiko NH34 GMT movement and BGW9 lume. One owner found the included bracelet too simple for the shiny case and opted for an aftermarket option. Overall, owners rate the Raven Custom - 39mm GMT Diver - highly for its wearability and value at $375.
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