Seiko Cal. 5639 - 683

Seiko 5639-683

This Quartz model from 1979 features a 40mm Gold-Plated case. Powered by the 5639 caliber with 23j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-1f6f4adae479]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1979

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seikata-wm-1f6f4adae479