Seiko Cal. 5687 - 765

The Seiko 5687-765 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-85f28586f267]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1965

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