Seiko Cal. 4573 - 758

The Seiko 4573-758 represents an important milestone in Seiko's 1971 lineup. Powered by the 4573 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-cd1851e714f0]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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