Seiko Cal. 7172 - 591

The Seiko 7172-591 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-b82bcf40f96e]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1967

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