Seiko Cal. 3866 - 978

The 3866-978 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-40d62dd4df9b]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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