Seiko Cal. 3815 - 590

The Seiko 3815-590 represents an important milestone in Seiko's 1981 lineup. Powered by the 3815 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-cf56f97e5fe1]

Also known as: UFO, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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