Seiko Cal. 3866 - 978

The Seiko 3866-978 represents an important milestone in Seiko's 1996 lineup. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-dc94315c35dc]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1996

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