Seiko Cal. 6688 - 618

Released in 1986, the Cal. 6688 with design code 618 was part of Seiko's domestic market collection. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d984fcac3fd6]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1986

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