Seiko Cal. 6670 - 551

The 6670-551 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6670 caliber with 17j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-ab18f7add762]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

Related Models

• Seiko 4422-672
• Seiko 6255-684
• Seiko 6250-501
• Seiko 7122-529
• Seiko 0758-530
• Seiko 7193-767
• Seiko 4540-178
• Seiko 3850-361
• Seiko 6337-772
• Seiko 5256-746
• Seiko 0782-206
• Seiko 6159-502