Seiko Cal. 6637 - 526

Seiko 6637-526

This Spring Drive model from 1987 features a 37mm Stainless Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-eefbf1e9155d]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1987

Related Models

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