Seiko Cal. 5653 - 666

The Seiko 5653-666 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-f261c5806078]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

Related Models

• Seiko 7123-949
• Seiko 6176-207
• Seiko 4459-317
• Seiko 7071-789
• Seiko 6238-262
• Seiko 5273-402
• Seiko 0797-963
• Seiko 5276-787
• Seiko 6259-564
• Seiko 6157-509
• Seiko 5673-856
• Seiko 0732-910