Seiko Cal. 3863 - 920

The Seiko 3863-920 represents an important milestone in Seiko's 1999 lineup. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-5e22916e9a89]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1999

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