Seiko Cal. 6636 - 413

Seiko 6636-413

This Automatic model from 1979 features a 40mm Gold-Plated case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-55ef570913e6]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1979

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seikata-wm-55ef570913e6