Seiko Cal. 3839 - 442

The Seiko 3839-442 represents an important milestone in Seiko's 1968 lineup. Powered by the 3839 caliber with 27j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-4ac35fae11c8]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

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