Seiko Cal. 6635 - 364

Seiko 6635-364

This Hand-Winding model from 1975 features a 38mm Titanium case. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-52cce4c9a27a]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
10.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1975

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