Seiko Cal. 6621 - 680

Released in 1985, the Cal. 6621 with design code 680 was part of Seiko's domestic market collection. Powered by the 6621 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-f741cfa7fdfa]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

Related Models

• Seiko 6118-473
• Seiko 5698-630
• Seiko 7154-117
• Seiko 4439-182
• Seiko 6256-632
• Seiko 5229-664
• Seiko 5258-381
• Seiko 7024-711
• Seiko 6218-873
• Seiko 4528-973
• Seiko 6225-415
• Seiko 0749-616