Seiko Cal. 3839 - 957

The Seiko 3839-957 represents an important milestone in Seiko's 1980 lineup. Powered by the 3839 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-76ffbd987548]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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