Seiko Cal. 3893 - 220

The Seiko 3893-220 represents an important milestone in Seiko's 1970 lineup. Powered by the 3893 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f892d3be65df]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1970

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