Seiko Cal. 6646 - 570

The 6646-570 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6646 caliber with 19j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-9d49acfdcf65]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1975

Related Models

• Seiko 6336-946
• Seiko 7132-350
• Seiko 7051-154
• Seiko 6137-955
• Seiko 7010-700
• Seiko 7033-857
• Seiko 6379-124
• Seiko 7145-938
• Seiko 0774-551
• Seiko 3878-424
• Seiko 5272-806
• Seiko 6244-475