Seiko Cal. 6686 - 600

This Hand-Winding model from 1979 features a 35mm Two-Tone case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5095f3706a9e]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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