Seiko Cal. 7131 - 285

This Quartz model from 1975 features a 34mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-73930e13f232]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1975

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