Seiko Cal. 6688 - 421

The Seiko 6688-421 represents an important milestone in Seiko's 1986 lineup. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-74833aa2da8a]

Also known as: Turtle, Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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