Seiko Cal. 4443 - 531

The Seiko 4443-531 represents an important milestone in Seiko's 1990 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-15181ffde934]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

Related Models

• Seiko 3883-699
• Seiko 5651-420
• Seiko 7121-772
• Seiko 0743-358
• Seiko 3863-569
• Seiko 6194-620
• Seiko 6237-572
• Seiko 6651-189
• Seiko 7064-162
• Seiko 4474-351
• Seiko 4459-845
• Seiko 6665-735