Seiko Cal. 4573 - 540

Seiko 4573-540

The Seiko 4573-540 represents an important milestone in Seiko's 1984 lineup. Powered by the 4573 caliber with 28j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-f7c34cd18519]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1984

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