Seiko Cal. 5638 - 979

Seiko 5638-979

This Quartz model from 1987 features a 37mm Gold-Plated case. Powered by the 5638 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-72141fc25dde]

Also known as: Crown

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1987

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seikata-wm-72141fc25dde