Seiko Cal. 6689 - 997

This Hand-Winding model from 1973 features a 34mm Titanium case. Powered by the 6689 caliber with 24j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-533ddefefedb]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

Related Models

• Seiko 4493-107
• Seiko 3851-979
• Seiko 6359-934
• Seiko 0788-981
• Seiko 6314-828
• Seiko 4560-601
• Seiko 6697-591
• Seiko 6292-296
• Seiko 6652-524
• Seiko 7035-249
• Seiko 6148-132
• Seiko 6140-938