Seiko Cal. 4550 - 221

The 4550-221 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-023531a431c0]

Also known as: Pogue, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1997

Related Models

• Seiko 5290-255
• Seiko 6667-298
• Seiko 3876-623
• Seiko 7053-691
• Seiko 6693-152
• Seiko 0728-854
• Seiko 7021-175
• Seiko 3816-715
• Seiko 6245-484
• Seiko 7146-956
• Seiko 6661-767
• Seiko 7154-134