Seiko Cal. 7181 - 870

This Hand-Winding model from 1997 features a 39mm PVD Black case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d77a1356180f]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1997

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