Seiko Cal. 4550 - 225

The 4550-225 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-705918f6a176]

Also known as: Bullhead, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1997

Related Models

• Seiko 7124-132
• Seiko 7028-939
• Seiko 6396-560
• Seiko 4432-503
• Seiko 4444-732
• Seiko 0778-953
• Seiko 6187-430
• Seiko 7025-691
• Seiko 6625-372
• Seiko 6181-140
• Seiko 6695-884
• Seiko 7155-664