Seiko Cal. 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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