Seiko Cal. 3863 - 587

The Seiko 3863-587 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-0a85695922a9]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1965

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