Seiko Cal. 4429 - 236

This Hand-Winding model from 1968 features a 41mm Two-Tone case. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-0d2c3847ad75]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

Related Models

• Seiko 0788-931
• Seiko 0739-365
• Seiko 0768-696
• Seiko 3830-875
• Seiko 4562-692
• Seiko 5213-164
• Seiko 7041-932
• Seiko 6640-395
• Seiko 5660-602
• Seiko 0729-499
• Seiko 0758-115
• Seiko 3838-138