Seiko Cal. 6636 - 957

Seiko 6636-957

This Solar model from 1966 features a 40mm Stainless Steel case. Powered by the 6636 caliber with 19j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-5744f2751a3c]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Champagne
Jewels
19j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1966

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seikata-wm-5744f2751a3c