Seiko Cal. 7183 - 973

The 7183-973 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7183 caliber with 23j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-ed5fe9d1cff9]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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