Seiko Cal. 6688 - 647

The Seiko 6688-647 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-e76a52baca29]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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