Seiko Cal. 4537 - 621

Seiko 4537-621

This Hand-Winding model from 1999 features a 42mm Titanium case. Powered by the 4537 caliber with 19j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-3817fbc4b6b0]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Black
Jewels
19j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1999

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seikata-wm-3817fbc4b6b0