Seiko Cal. 5690 - 271

Seiko 5690-271

This Quartz model from 1966 features a 37mm Titanium case. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-a3ca0e0e797c]

Also known as: World Timer

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1966

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