Seiko Cal. 6681 - 528

This Automatic model from 1972 features a 42mm Stainless Steel case. Powered by the 6681 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1bb1e89aa0cf]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1972

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