Seiko Cal. 3897 - 339

The Seiko 3897-339 represents an important milestone in Seiko's 1975 lineup. Powered by the 3897 caliber with 26j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-acc4ff14f04a]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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