Seiko Cal. 5656 - 151

This Hand-Winding model from 1981 features a 37mm PVD Black case. Powered by the 5656 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-97c4cd5ab3c1]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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