Seiko Cal. 5643 - 556

Seiko 5643-556

This Solar model from 1977 features a 37mm PVD Black case. Powered by the 5643 caliber with 35j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-1fd9ca2fddc7]

Also known as: Shogun, Sea Horse

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Champagne
Jewels
35j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1977

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