Seiko Cal. 4473 - 540

Released in 1976, the Cal. 4473 with design code 540 was part of Seiko's domestic market collection. Powered by the 4473 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-6bfd68fe8c4c]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

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