Seiko Cal. 7131 - 578

This Hand-Winding model from 1992 features a 46mm Titanium case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-576126c40752]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1992

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