Seiko Cal. 6689 - 139

The Seiko 6689-139 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-5a1913a85aea]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

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