Seiko Cal. 3894 - 662

The Seiko 3894-662 represents an important milestone in Seiko's 1972 lineup. Powered by the 3894 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-1ccd1415253f]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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