Seiko Cal. 3853 - 381

This Spring Drive model from 1980 features a 43mm PVD Black case. Powered by the 3853 caliber with 31j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-0565465a35c5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1980

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