Seiko Cal. 4443 - 427

The 4443-427 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4443 caliber with 23j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-960550940c20]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

Related Models

• Seiko 5685-784
• Seiko 7055-229
• Seiko 6662-627
• Seiko 4535-610
• Seiko 4528-284
• Seiko 3888-288
• Seiko 6255-461
• Seiko 7173-184
• Seiko 4528-506
• Seiko 6683-762
• Seiko 3874-725
• Seiko 6194-543