Seiko Cal. 6677 - 647

This Spring Drive model from 1980 features a 36mm Gold-Plated case. Powered by the 6677 caliber with 34j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7ec272cd975f]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1980

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