Seiko Cal. 3820 - 725

The Seiko 3820-725 represents an important milestone in Seiko's 1992 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-bf5af7a96a3c]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1992

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