Seiko Cal. 6638 - 850

Seiko 6638-850

This Automatic model from 1980 features a 44mm Gold-Plated case. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-cf1f62f7b5d3]

Also known as: World Timer

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1980

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