Seiko Cal. 7090 - 638

Seiko 7090-638

This Solar model from 1983 features a 36mm Hardlex-Coated Steel case. Powered by the 7090 caliber with 20j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-e7ca88a4eba4]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1983

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