Seiko Cal. 3813 - 981

This Spring Drive model from 1986 features a 42mm PVD Black case. Powered by the 3813 caliber with 22j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-ac176bd4aab9]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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