Seiko Cal. 6664 - 422

Released in 1973, the Cal. 6664 with design code 422 was part of Seiko's domestic market collection. Powered by the 6664 caliber with 23j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-23a0ed2cd923]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1973

Related Models

• Seiko 3837-803
• Seiko 6340-325
• Seiko 3852-523
• Seiko 7124-824
• Seiko 4515-760
• Seiko 0739-710
• Seiko 3876-287
• Seiko 3878-253
• Seiko 4462-889
• Seiko 5647-207
• Seiko 5273-868
• Seiko 7147-286