Seiko Cal. 3869 - 740

This Automatic model from 1977 features a 37mm Hardlex-Coated Steel case. Powered by the 3869 caliber with 33j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-2f0583316b38]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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