Seiko Cal. 6689 - 500

The 6689-500 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-1de6fc264c3c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1969

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