Seiko Cal. 6689 - 722

The Seiko 6689-722 represents an important milestone in Seiko's 1969 lineup. Powered by the 6689 caliber with 28j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-0a4d772e214a]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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