Seiko Cal. 3815 - 869

The Seiko 3815-869 represents an important milestone in Seiko's 1983 lineup. Powered by the 3815 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-bbf0d78cca14]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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