Seiko Cal. 4573 - 851

The Seiko 4573-851 represents an important milestone in Seiko's 1991 lineup. Powered by the 4573 caliber with 26j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-56456fa6c598]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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