Seiko Cal. 4471 - 580

This Hand-Winding model from 1988 features a 40mm Stainless Steel case. Powered by the 4471 caliber with 28j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-75243e657a5f]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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