Seiko Cal. 3878 - 106

The Seiko 3878-106 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-733038ba96c5]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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