Seiko Cal. 3823 - 866

The 3823-866 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-25dc804e7f64]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1984

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