Seiko Cal. 6646 - 703

The Seiko 6646-703 represents an important milestone in Seiko's 1996 lineup. Powered by the 6646 caliber with 33j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-265c7fe2a5a4]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1996

Related Models

• Seiko 6614-234
• Seiko 4563-495
• Seiko 6260-414
• Seiko 3878-747
• Seiko 5247-629
• Seiko 6344-420
• Seiko 4484-942
• Seiko 7047-213
• Seiko 6322-500
• Seiko 0761-429
• Seiko 6144-262
• Seiko 6649-257