Seiko Cal. 3818 - 667

Released in 1981, the Cal. 3818 with design code 667 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-f3451e6b48be]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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