Seiko Cal. 3866 - 583

The Seiko 3866-583 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-ac1c3ed03842]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1965

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