Seiko Cal. 6659 - 738

The Seiko 6659-738 represents an important milestone in Seiko's 1974 lineup. Powered by the 6659 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-c9ce2905d157]

Also known as: UFO, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

Related Models

• Seiko 5223-972
• Seiko 0743-345
• Seiko 5697-976
• Seiko 7044-697
• Seiko 6649-310
• Seiko 4564-184
• Seiko 6364-755
• Seiko 6277-787
• Seiko 6695-732
• Seiko 0770-370
• Seiko 6274-481
• Seiko 0736-982