Seiko Cal. 4597 - 431

The Seiko 4597-431 represents an important milestone in Seiko's 1970 lineup. Powered by the 4597 caliber with 30j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-9b7a5beb3b01]

Also known as: Turtle, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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