Seiko Cal. 7187 - 612

The Seiko 7187-612 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4d487e112fa5]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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