Seiko Cal. 3866 - 878

The Seiko 3866-878 represents an important milestone in Seiko's 1995 lineup. Powered by the 3866 caliber with 20j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-9fb4b59db4bf]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1995

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