Seiko Cal. 5688 - 268

The Seiko 5688-268 represents an important milestone in Seiko's 1966 lineup. Powered by the 5688 caliber with 30j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-f81070f273a8]

Also known as: Arnie, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

Related Models

• Seiko 3891-844
• Seiko 5228-425
• Seiko 5253-459
• Seiko 4581-883
• Seiko 6670-427
• Seiko 6695-277
• Seiko 5669-438
• Seiko 3860-639
• Seiko 0791-914
• Seiko 7096-487
• Seiko 6623-980
• Seiko 7076-697