Seiko Cal. 5648 - 555

The Seiko 5648-555 represents an important milestone in Seiko's 1983 lineup. Powered by the 5648 caliber with 30j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-3b331b9413cc]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1983

Related Models

• Seiko 7152-902
• Seiko 4534-633
• Seiko 0758-443
• Seiko 6391-233
• Seiko 6344-332
• Seiko 7128-949
• Seiko 4512-793
• Seiko 6637-507
• Seiko 4471-661
• Seiko 7151-681
• Seiko 0747-512
• Seiko 7184-104