Seiko Cal. 4597 - 305

This Automatic model from 1987 features a 38mm Titanium case. Powered by the 4597 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-b82ea9bf6a2f]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1987

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