Seiko Cal. 4518 - 691

The Seiko 4518-691 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a23f9dbc41a6]

Also known as: Shogun, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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