Seiko Cal. 7173 - 230

The 7173-230 is a sought-after Solar piece from Seiko's golden era. Powered by the 7173 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-a7f20ebe52a9]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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