Seiko Cal. 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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