Seiko Cal. 4581 - 749

This Hand-Winding model from 1968 features a 40mm PVD Black case. Powered by the 4581 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-1637ef0cbc37]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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