Seiko Cal. 6690 - 620

This Hand-Winding model from 1982 features a 37mm PVD Black case. Powered by the 6690 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-ad31bcbc7525]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

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