Seiko Cal. 4598 - 740

This Hand-Winding model from 1986 features a 37mm Two-Tone case. Powered by the 4598 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-3f24fe54b727]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1986

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