Seiko Cal. 3818 - 166

The 3818-166 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-489ede5796ab]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1986

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