Seiko Cal. 5656 - 657

Seiko 5656-657

This Solar model from 1975 features a 46mm Hardlex-Coated Steel case. Powered by the 5656 caliber with 19j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-0eab83f5e893]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
White
Jewels
19j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1975

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