Seiko Cal. 5645 - 656

Seiko 5645-656

This Solar model from 1992 features a 42mm Hardlex-Coated Steel case. Powered by the 5645 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-ec0a15c62c8d]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1992

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