Seiko Cal. 6643 - 241

Seiko 6643-241

This Automatic model from 1982 features a 39mm Gold-Plated case. Powered by the 6643 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-61cb9f7b0d91]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1982

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seikata-wm-61cb9f7b0d91