Seiko Cal. 6657 - 782

Seiko 6657-782

This Spring Drive model from 1988 features a 45mm Stainless Steel case. Powered by the 6657 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-ffb8287f65c5]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1988

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