Seiko Cal. 6637 - 302

Seiko 6637-302

This Hand-Winding model from 1976 features a 42mm Stainless Steel case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-b5b32d1f35b6]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1976

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