Seiko Cal. 6636 - 428

Seiko 6636-428

This Automatic model from 1975 features a 37mm Titanium case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-63afb7a8da5f]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1975

Related Models

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