Seiko Cal. 7173 - 780

The Seiko 7173-780 represents an important milestone in Seiko's 1996 lineup. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-5a793af95ee7]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1996

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