Seiko Cal. 4596 - 191

This Hand-Winding model from 1989 features a 37mm PVD Black case. Powered by the 4596 caliber with 27j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-20794d75cb1f]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1989

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