Specification Details
Movement Miyota 9039
Type Japanese automatic
Jewels 24
Frequency 28,800 bph (4 Hz)
Power reserve 42 hours
Hand-winding Yes
Hacking Yes
Date No (standard Commuter 38)
Diameter 38.5 mm
Thickness 10.5 mm
Lug-to-lug 46 mm
Lug width 20 mm
Case 316L stainless steel
Crystal Double-domed sapphire
AR coating Internal
Water resistance 100 m / 10 ATM
Crown Screw-down
Lume Super-LumiNova BGW9
Bracelet Stainless steel
Bracelet taper 20 → 16 mm
Clasp On-the-fly micro-adjustment
Special treatment Proprietary hardening treatment