Seiko Cal. 4431 - 779

The Seiko 4431-779 represents an important milestone in Seiko's 1976 lineup. Powered by the 4431 caliber with 24j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-ecbe1ffb0cb1]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1976

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