Seiko Cal. 7173 - 628

The 7173-628 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7173 caliber with 24j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-40a878130275]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1983

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