Seiko Cal. 4423 - 318

The Seiko 4423-318 represents an important milestone in Seiko's 1965 lineup. Powered by the 4423 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-c887fe5ee9ef]

Also known as: Arnie, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1965

Related Models

• Seiko 4439-192
• Seiko 5645-789
• Seiko 7025-616
• Seiko 4537-303
• Seiko 3851-412
• Seiko 0761-377
• Seiko 5216-475
• Seiko 5699-653
• Seiko 3821-578
• Seiko 3890-604
• Seiko 6392-905
• Seiko 6212-595