Seiko Cal. 6641 - 658

Seiko 6641-658

This Solar model from 1992 features a 35mm Hardlex-Coated Steel case. Powered by the 6641 caliber with 18j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-a076449aa2ea]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1992

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