Seiko Cal. 6618 - 830

Released in 1972, the Cal. 6618 with design code 830 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-767069fb98b2]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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