Seiko Cal. 3863 - 266

The Seiko 3863-266 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-465ee0e627fa]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1983

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