Seiko Cal. 5690 - 839

Seiko 5690-839

This Quartz model from 1970 features a 36mm Hardlex-Coated Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-64d62e1e10f8]

Also known as: UFO, Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1970

Related Models

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