Seiko Cal. 4442 - 817

This Hand-Winding model from 1984 features a 46mm Stainless Steel case. Powered by the 4442 caliber with 27j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-58cf542cc7f5]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1984

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