Seiko Cal. 4423 - 985

This Hand-Winding model from 1971 features a 36mm PVD Black case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-33f059a0d6f8]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

Related Models

• Seiko 4537-690
• Seiko 4558-753
• Seiko 6655-276
• Seiko 3888-489
• Seiko 3869-280
• Seiko 0784-302
• Seiko 5277-278
• Seiko 5656-887
• Seiko 7030-866
• Seiko 4489-594
• Seiko 4497-600
• Seiko 6672-959