Seiko Cal. 6621 - 973

This Spring Drive model from 1985 features a 38mm PVD Black case. Powered by the 6621 caliber with 27j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-a7f331883eeb]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1985

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