Seiko Cal. 6681 - 991

The 6681-991 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a84abbe884af]

Also known as: Monster, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1980

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