Seiko Cal. 3817 - 890

Released in 1983, the Cal. 3817 with design code 890 was part of Seiko's domestic market collection. Powered by the 3817 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-aa79970babc0]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1983

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