Seiko Cal. 4423 - 257

This Automatic model from 1983 features a 38mm PVD Black case. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-52c758e78f01]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1983

Related Models

• Seiko 6258-837
• Seiko 4557-586
• Seiko 7018-276
• Seiko 4490-578
• Seiko 4459-580
• Seiko 5673-797
• Seiko 0774-122
• Seiko 6397-166
• Seiko 5254-307
• Seiko 7129-515
• Seiko 4476-930
• Seiko 0750-894