Seiko Cal. 6689 - 787

The Seiko 6689-787 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-6764a86a0a75]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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