Seiko Cal. 6656 - 820

The Seiko 6656-820 represents an important milestone in Seiko's 1994 lineup. Powered by the 6656 caliber with 23j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-5f636ab339d5]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1994

Related Models

• Seiko 7125-316
• Seiko 6316-799
• Seiko 4456-479
• Seiko 6317-557
• Seiko 5249-294
• Seiko 5674-958
• Seiko 0786-700
• Seiko 6633-558
• Seiko 4562-445
• Seiko 6243-386
• Seiko 6653-690
• Seiko 7143-654