Seiko Cal. 7131 - 787

The Seiko 7131-787 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-828455b29a32]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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