Seiko Cal. 6633 - 642

Seiko 6633-642

This Solar model from 1966 features a 35mm PVD Black case. Powered by the 6633 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-fb21b5dcfe36]

Also known as: Goldfeather, Sea Horse

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
35mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
29j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1966

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