Seiko Cal. 7138 - 918

The Seiko 7138-918 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-3b2082236f1d]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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