Seiko Cal. 6647 - 603

The Seiko 6647-603 represents an important milestone in Seiko's 1983 lineup. Powered by the 6647 caliber with 28j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-f536a8999542]

Also known as: Panda, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1983

Related Models

• Seiko 6389-728
• Seiko 6668-295
• Seiko 6213-984
• Seiko 5694-138
• Seiko 7080-355
• Seiko 6673-602
• Seiko 7032-187
• Seiko 3830-589
• Seiko 6389-979
• Seiko 7151-178
• Seiko 3833-690
• Seiko 5215-748