Seiko Cal. 6677 - 657

This Spring Drive model from 1997 features a 39mm Stainless Steel case. Powered by the 6677 caliber with 28j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d9d4090a34a5]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1997

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