Seiko Cal. 4423 - 231

The Seiko 4423-231 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-2047c39c8c8c]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

Related Models

• Seiko 7048-802
• Seiko 5278-997
• Seiko 4495-604
• Seiko 6259-721
• Seiko 5643-149
• Seiko 6375-826
• Seiko 5691-985
• Seiko 4531-687
• Seiko 5615-430
• Seiko 5647-702
• Seiko 6283-123
• Seiko 3842-991