Thorn
40.5mm Titanium Sub Diver Automatic Watch
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$254.32
Typical: $254.32|Lowest: $254.32|Highest: $254.32
Last checked: 8/9/2026, 12:25 AM UTC
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90-Day Price History
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Technical
Specifications
MovementSeiko NH35
CrystalSapphire
Case MaterialTitanium
Case Diameter48mm
Water Resistance50m
BezelCeramic
LumeC3 Super-LumiNova
Specs are estimated from brand defaults and listing data. Always verify on the retailer page before purchasing.
Analysis
The Good & The Bad
What We Like
- Scratch-resistant sapphire crystal
- Seiko NH35/NH36 — reliable, widely serviceable Japanese automatic
- Titanium case — lightweight and hypoallergenic
- C3 Super-LumiNova — strong green glow
- Ceramic bezel — scratch-proof and fade-resistant
What Could Be Better
- 50m WR — safe for swimming but not diving; avoid hot showers (gaskets degrade)
- NH35/36 accuracy is -20/+40 sec/day — you'll adjust time weekly, not COSC-grade
- 48mm case diameter — will wear large on wrists under 7 inches