Seiko Cal. 0763 - 187

The Seiko 0763-187 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9847ee961ca0]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

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