Seiko Cal. 5635 - 636

Seiko 5635-636

This Quartz model from 1968 features a 36mm Hardlex-Coated Steel case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-3d065765e78c]

Also known as: Turtle, UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
White
Jewels
19j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1968

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