Seiko Cal. 5660 - 750

The Seiko 5660-750 represents an important milestone in Seiko's 1966 lineup. Powered by the 5660 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-37c00f7b94ff]

Also known as: Silverwave, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

Related Models

• Seiko 6276-278
• Seiko 5636-980
• Seiko 5280-157
• Seiko 6180-934
• Seiko 6349-945
• Seiko 4559-868
• Seiko 0718-821
• Seiko 5292-707
• Seiko 0717-181
• Seiko 6686-867
• Seiko 0754-200
• Seiko 6627-865