Seiko Cal. 6638 - 271

Seiko 6638-271

This Spring Drive model from 1968 features a 41mm Two-Tone case. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-44c3f3ec58c5]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1968

Related Models

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