Seiko Cal. 4573 - 641

This Spring Drive model from 1972 features a 46mm Stainless Steel case. Powered by the 4573 caliber with 23j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-0c53df7481bc]

Also known as: Monster, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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