Seiko Cal. 4421 - 968

The Seiko 4421-968 represents an important milestone in Seiko's 1975 lineup. Powered by the 4421 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-f57169110fa9]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1975

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