Seiko Cal. 5637 - 790

Seiko 5637-790

This Quartz model from 1982 features a 42mm Gold-Plated case. Powered by the 5637 caliber with 25j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-b2c51df1282f]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1982

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