Seiko Cal. 4423 - 667

The 4423-667 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-89ec2a90bb08]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

Related Models

• Seiko 4528-769
• Seiko 6625-380
• Seiko 4561-762
• Seiko 0763-823
• Seiko 7168-754
• Seiko 7043-525
• Seiko 0718-735
• Seiko 5685-779
• Seiko 6390-877
• Seiko 0752-197
• Seiko 4561-100
• Seiko 3883-506