Seiko Cal. 4431 - 944

The 4431-944 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4431 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-1c9b69545fb7]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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