Seiko Cal. 4590 - 454

This Hand-Winding model from 1991 features a 34mm Titanium case. Powered by the 4590 caliber with 20j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-804474d15f46]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1991

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