Seiko Cal. 3870 - 973

The Seiko 3870-973 represents an important milestone in Seiko's 1982 lineup. Powered by the 3870 caliber with 24j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-d2dd124accef]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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