Seiko Cal. 6670 - 712

Released in 1972, the Cal. 6670 with design code 712 was part of Seiko's domestic market collection. Powered by the 6670 caliber with 28j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-b9e8cd4bd452]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

Related Models

• Seiko 4431-293
• Seiko 7079-273
• Seiko 7131-991
• Seiko 7142-756
• Seiko 7050-764
• Seiko 3875-759
• Seiko 7111-110
• Seiko 4518-276
• Seiko 6693-553
• Seiko 5237-629
• Seiko 0711-570
• Seiko 5657-265