Seiko Cal. 6636 - 377

Seiko 6636-377

This Automatic model from 1990 features a 39mm Two-Tone case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-fdc44421748d]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1990

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