Seiko Cal. 3864 - 645

Seiko 3864-645

This Hand-Winding model from 1968 features a 45mm Gold-Plated case. Powered by the 3864 caliber with 32j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-f27f2080c6c9]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1968

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