Seiko Cal. 4481 - 446

This Hand-Winding model from 1970 features a 41mm Stainless Steel case. Powered by the 4481 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-da1e2e400941]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1970

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