Seiko Cal. 6689 - 997

The Seiko 6689-997 represents an important milestone in Seiko's 1979 lineup. Powered by the 6689 caliber with 25j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-58eadefc08fa]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

Related Models

• Seiko 7194-934
• Seiko 5640-680
• Seiko 6371-753
• Seiko 4468-682
• Seiko 5636-438
• Seiko 5621-345
• Seiko 4492-950
• Seiko 5669-830
• Seiko 5656-940
• Seiko 6697-744
• Seiko 7127-228
• Seiko 3851-196