Seiko Cal. 7173 - 857

Released in 1975, the Cal. 7173 with design code 857 was part of Seiko's domestic market collection. Powered by the 7173 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-18c30ac78fdc]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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