Seiko Cal. 6643 - 158

Seiko 6643-158

This Quartz model from 1983 features a 34mm Hardlex-Coated Steel case. Powered by the 6643 caliber with 23j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-de151200987f]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1983

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seikata-wm-de151200987f