Seiko Cal. 4423 - 343

Released in 1989, the Cal. 4423 with design code 343 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a42dad314ce6]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

Related Models

• Seiko 5264-663
• Seiko 7146-256
• Seiko 6217-520
• Seiko 7137-344
• Seiko 4582-631
• Seiko 3873-937
• Seiko 6668-331
• Seiko 3823-983
• Seiko 4452-558
• Seiko 4523-166
• Seiko 7121-852
• Seiko 6321-763