Seiko Cal. 3817 - 283

The Seiko 3817-283 represents an important milestone in Seiko's 1988 lineup. Powered by the 3817 caliber with 23j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8b8b3a7033e8]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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