Seiko Cal. 3866 - 761

Released in 1999, the Cal. 3866 with design code 761 was part of Seiko's domestic market collection. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-1b8ac2096cc1]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1999

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