Seiko Cal. 4427 - 107

The Seiko 4427-107 represents an important milestone in Seiko's 1982 lineup. Powered by the 4427 caliber with 35j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-64cf4f41c8d5]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1982

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