Seiko Cal. 3811 - 166

The Seiko 3811-166 represents an important milestone in Seiko's 1967 lineup. Powered by the 3811 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-858766d33e19]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

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