Seiko Cal. 6634 - 639

Seiko 6634-639

This Kinetic model from 1980 features a 42mm Hardlex-Coated Steel case. Powered by the 6634 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-0c74c351a681]

Also known as: Bellmatic, Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1980

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seikata-wm-0c74c351a681