Seiko Cal. 7073 - 477

The 7073-477 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7073 caliber with 33j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-fa66ba6af1f3]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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