Seiko Cal. 3855 - 878

The Seiko 3855-878 represents an important milestone in Seiko's 1981 lineup. Powered by the 3855 caliber with 23j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-89ce2e6b2c6c]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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