Seiko Cal. 7173 - 156

The Seiko 7173-156 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-34f86da3c089]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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