Seiko Cal. 6668 - 292

The Seiko 6668-292 represents an important milestone in Seiko's 1973 lineup. Powered by the 6668 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-45ef8b358cb4]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

Related Models

• Seiko 6366-464
• Seiko 6398-587
• Seiko 0783-481
• Seiko 6622-873
• Seiko 7129-611
• Seiko 3858-104
• Seiko 6222-219
• Seiko 4517-944
• Seiko 7087-317
• Seiko 3850-476
• Seiko 5218-194
• Seiko 6319-617