Seiko Cal. 4441 - 794

This Hand-Winding model from 1977 features a 40mm Hardlex-Coated Steel case. Powered by the 4441 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c7db6267ec78]

Also known as: Silverwave, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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