Seiko Cal. 6638 - 839

Seiko 6638-839

This Solar model from 1970 features a 35mm Titanium case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d231ac63e200]

Also known as: Sportsmatic, Flighty

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Champagne
Jewels
19j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1970

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seikata-wm-d231ac63e200