Seiko Cal. 0731 - 771

The Seiko 0731-771 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d5a8bee0c423]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1987

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