Seiko Cal. 4423 - 786

The Seiko 4423-786 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-c1035cb518ef]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1967

Related Models

• Seiko 5683-805
• Seiko 6270-923
• Seiko 4592-382
• Seiko 6655-323
• Seiko 4573-753
• Seiko 7090-237
• Seiko 4562-495
• Seiko 6237-442
• Seiko 5284-436
• Seiko 7012-102
• Seiko 6637-762
• Seiko 6337-318