Seiko Cal. 3873 - 770

The Seiko 3873-770 represents an important milestone in Seiko's 1980 lineup. Powered by the 3873 caliber with 23j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-9128dd6681ad]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1980

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