Seiko Cal. 4443 - 325

The 4443-325 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4443 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1dac0f0a33f1]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1989

Related Models

• Seiko 5691-172
• Seiko 4413-821
• Seiko 6384-517
• Seiko 7016-349
• Seiko 6348-177
• Seiko 0712-482
• Seiko 6366-271
• Seiko 5652-648
• Seiko 6638-224
• Seiko 4475-949
• Seiko 5228-532
• Seiko 5281-992