Seiko Cal. 4574 - 931

The Seiko 4574-931 represents an important milestone in Seiko's 1984 lineup. Powered by the 4574 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-518fabe22a94]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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