Seiko Cal. 6637 - 626

Seiko 6637-626

This Automatic model from 1982 features a 41mm Two-Tone case. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-843ffbe54c09]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1982

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