Seiko Cal. 6680 - 660

Seiko 6680-660

This Hand-Winding model from 1974 features a 36mm Gold-Plated case. Powered by the 6680 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-02eb1b6e0eae]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1974

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