Seiko Cal. 6634 - 352

Seiko 6634-352

This Automatic model from 1978 features a 43mm Hardlex-Coated Steel case. Powered by the 6634 caliber with 23j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-4867bffd9e87]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1978

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