Seiko Cal. 4573 - 641

Seiko 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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