Seiko Cal. 6689 - 276

The Seiko 6689-276 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-d2e98af1084f]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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