Seiko Cal. 3811 - 643

Released in 1983, the Cal. 3811 with design code 643 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-ecc56933d14c]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1983

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