Seiko Cal. 6620 - 276

The 6620-276 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6620 caliber with 29j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-cd80b83ef2f1]

Also known as: Crown, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1992

Related Models

• Seiko 5633-766
• Seiko 6637-728
• Seiko 7117-422
• Seiko 6252-873
• Seiko 6347-629
• Seiko 7081-728
• Seiko 7166-200
• Seiko 5218-433
• Seiko 3832-679
• Seiko 6356-833
• Seiko 6267-908
• Seiko 4554-207