Seiko Cal. 6645 - 309

Seiko 6645-309

This Hand-Winding model from 1966 features a 35mm Gold-Plated case. Powered by the 6645 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-1999dab98c0d]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Champagne
Jewels
30j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1966

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seikata-wm-1999dab98c0d