Seiko Cal. 4423 - 745

The Seiko 4423-745 represents an important milestone in Seiko's 1999 lineup. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-4bc90402834a]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1999

Related Models

• Seiko 6330-394
• Seiko 6224-658
• Seiko 7197-419
• Seiko 5613-209
• Seiko 6352-676
• Seiko 6663-635
• Seiko 4435-302
• Seiko 6394-518
• Seiko 6272-674
• Seiko 6634-913
• Seiko 6113-364
• Seiko 7173-898