Seiko Cal. 4574 - 742

The Seiko 4574-742 represents an important milestone in Seiko's 1975 lineup. Powered by the 4574 caliber with 36j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-c77f91bdc28d]

Also known as: Arnie, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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