Seiko Cal. 4551 - 650

This Automatic model from 1971 features a 41mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8e99070e9750]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

Related Models

• Seiko 5617-627
• Seiko 4483-477
• Seiko 4564-428
• Seiko 5623-180
• Seiko 4493-539
• Seiko 6369-759
• Seiko 6390-507
• Seiko 5694-731
• Seiko 4420-878
• Seiko 6611-468
• Seiko 6693-549
• Seiko 7153-969