Seiko Cal. 5610 - 648

The Seiko 5610-648 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-879a8c89ffbb]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

Related Models

• Seiko 6160-791
• Seiko 7011-659
• Seiko 7189-468
• Seiko 4480-131
• Seiko 6623-788
• Seiko 5258-550
• Seiko 5298-911
• Seiko 6650-793
• Seiko 6156-112
• Seiko 6122-251
• Seiko 6376-428
• Seiko 5661-327