Seiko Cal. 4474 - 421

The 4474-421 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4474 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-111fb33a265f]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1999

Related Models

• Seiko 5226-830
• Seiko 0717-721
• Seiko 6167-488
• Seiko 7067-596
• Seiko 3839-610
• Seiko 5693-881
• Seiko 7117-248
• Seiko 6216-273
• Seiko 7181-986
• Seiko 4488-652
• Seiko 0714-611
• Seiko 5635-177