Seiko Cal. 3851 - 402

The Seiko 3851-402 represents an important milestone in Seiko's 1970 lineup. Powered by the 3851 caliber with 30j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-09693fe9eb6b]

Also known as: Panda, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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