Seiko Cal. 6636 - 620

Seiko 6636-620

This Hand-Winding model from 1995 features a 37mm Two-Tone case. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-d5a186766055]

Also known as: Navigator, Crown

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1995

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seikata-wm-d5a186766055