Seiko Cal. 7187 - 791

The Seiko 7187-791 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3a64a3326ca4]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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