Seiko Cal. 4590 - 642

This Hand-Winding model from 1983 features a 46mm PVD Black case. Powered by the 4590 caliber with 17j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-2a91db67b35b]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1983

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