Seiko Cal. 4576 - 805

This Hand-Winding model from 1982 features a 43mm Stainless Steel case. Powered by the 4576 caliber with 17j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-8c2566020dbc]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1982

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