Seiko Cal. 6637 - 237

Seiko 6637-237

This Hand-Winding model from 1997 features a 40mm PVD Black case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-838c3516f9ad]

Also known as: Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Cream
Jewels
34j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1997

Related Models

seikata-wm-838c3516f9ad