Seiko Cal. 3859 - 494

The Seiko 3859-494 represents an important milestone in Seiko's 1974 lineup. Powered by the 3859 caliber with 29j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-2081eb5edaf4]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

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