Seiko Cal. 6668 - 300

The Seiko 6668-300 represents an important milestone in Seiko's 1975 lineup. Powered by the 6668 caliber with 27j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-12f9fbc74a7b]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

Related Models

• Seiko 6674-906
• Seiko 5288-312
• Seiko 3826-316
• Seiko 0724-414
• Seiko 0712-657
• Seiko 6255-367
• Seiko 0721-294
• Seiko 6661-399
• Seiko 4459-935
• Seiko 5270-907
• Seiko 6379-450
• Seiko 6159-189