Seiko Cal. 4573 - 342

The Seiko 4573-342 represents an important milestone in Seiko's 1969 lineup. Powered by the 4573 caliber with 29j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-d2c06124d017]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

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