Seiko Cal. 7131 - 139

This Hand-Winding model from 1984 features a 41mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-dbf94295b138]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1984

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