Seiko Cal. 4431 - 798

The Seiko 4431-798 represents an important milestone in Seiko's 1982 lineup. Powered by the 4431 caliber with 20j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-881a7cf0e3a8]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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