Seiko Cal. 6681 - 575

This Spring Drive model from 1970 features a 41mm PVD Black case. Powered by the 6681 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-0d253e1e774c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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