Seiko Cal. 4550 - 184

The 4550-184 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-dcfdde673f71]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

Related Models

• Seiko 0714-431
• Seiko 3871-225
• Seiko 5629-235
• Seiko 7112-532
• Seiko 7157-470
• Seiko 6373-888
• Seiko 4569-195
• Seiko 7092-455
• Seiko 4576-722
• Seiko 5255-417
• Seiko 4484-929
• Seiko 7117-226