Seiko Cal. 4524 - 643

Seiko 4524-643

This Solar model from 1977 features a 45mm Hardlex-Coated Steel case. Powered by the 4524 caliber with 30j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-8b21caabddb7]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1977

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