Seiko Cal. 3866 - 342

The 3866-342 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-a34e2edf12bf]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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