Seiko Cal. 6618 - 939

Released in 1981, the Cal. 6618 with design code 939 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-e6cf1df36c19]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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