Seiko Cal. 4431 - 411

This Kinetic model from 1971 features a 38mm PVD Black case. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-85d9ba1bc3c5]

Also known as: UFO, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1971

Related Models

• Seiko 5250-993
• Seiko 6252-252
• Seiko 4488-892
• Seiko 4591-117
• Seiko 6237-124
• Seiko 5655-941
• Seiko 4541-388
• Seiko 6127-785
• Seiko 3831-251
• Seiko 3815-150
• Seiko 6343-289
• Seiko 6316-778