Seiko Cal. 5648 - 355

The Seiko 5648-355 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3f650860cddc]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

Related Models

• Seiko 5235-191
• Seiko 4551-913
• Seiko 4482-376
• Seiko 6143-807
• Seiko 0728-791
• Seiko 7033-350
• Seiko 5665-970
• Seiko 3874-848
• Seiko 6620-930
• Seiko 0781-678
• Seiko 7031-964
• Seiko 6284-158