Seiko Cal. 4491 - 881

This Automatic model from 1965 features a 40mm Two-Tone case. Powered by the 4491 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-9e69a2ddafae]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

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