Seiko Cal. 6648 - 603

The 6648-603 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6648 caliber with 35j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-b2e868c3eebb]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

Related Models

• Seiko 6318-881
• Seiko 6153-971
• Seiko 5630-263
• Seiko 5276-347
• Seiko 3882-441
• Seiko 5238-435
• Seiko 5668-107
• Seiko 6383-968
• Seiko 0766-298
• Seiko 5240-792
• Seiko 6629-698
• Seiko 5237-340