Seiko Cal. 0771 - 721

This Hand-Winding model from 1986 features a 36mm Stainless Steel case. Powered by the 0771 caliber with 28j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-0a2feaf7269c]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1986

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