Seiko Cal. 6618 - 957

The Seiko 6618-957 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-aeab871a49b3]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

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