Seiko Cal. 6618 - 940

This Spring Drive model from 1966 features a 42mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-ab4c515c4f8c]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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