Seiko Cal. 3839 - 156

The Seiko 3839-156 represents an important milestone in Seiko's 1969 lineup. Powered by the 3839 caliber with 20j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-67e041da8fe2]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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