Seiko Cal. 6689 - 939

The Seiko 6689-939 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-72c5660e0ec0]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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