Seiko Cal. 6638 - 300

Seiko 6638-300

This Quartz model from 1974 features a 46mm Titanium case. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-f22b127a271f]

Also known as: World Timer, Navigator

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Cream
Jewels
29j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1974

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