Seiko Cal. 4550 - 652

Released in 1973, the Cal. 4550 with design code 652 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6ecb18ac6c0a]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1973

Related Models

• Seiko 7199-962
• Seiko 7183-813
• Seiko 6229-463
• Seiko 6674-882
• Seiko 5285-396
• Seiko 4561-621
• Seiko 7165-131
• Seiko 4568-648
• Seiko 0727-788
• Seiko 4463-887
• Seiko 0753-625
• Seiko 5675-507