Seiko Cal. 3853 - 285

The Seiko 3853-285 represents an important milestone in Seiko's 1968 lineup. Powered by the 3853 caliber with 29j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-2f2744f8739b]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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