Seiko Cal. 3880 - 911

This Automatic model from 1989 features a 41mm Two-Tone case. Powered by the 3880 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-ea19536b234c]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1989

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