Seiko Cal. 6689 - 342

The Seiko 6689-342 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-ca4db411726f]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1981

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