Seiko Cal. 7173 - 189

This Hand-Winding model from 1981 features a 45mm Stainless Steel case. With its 19mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-8ae9fa1675ba]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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