Seiko Cal. 6637 - 122

Seiko 6637-122

This Hand-Winding model from 1966 features a 42mm Hardlex-Coated Steel case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b4503ec236a4]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1966

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seikata-wm-b4503ec236a4