Seiko Cal. 3863 - 664

The 3863-664 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-5f6aea0fd9c1]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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