Seiko Cal. 4431 - 889

The Seiko 4431-889 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-34749c49ad06]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1989

Related Models

• Seiko 4494-640
• Seiko 7058-612
• Seiko 4434-785
• Seiko 3894-578
• Seiko 5673-883
• Seiko 6221-105
• Seiko 4565-593
• Seiko 4485-578
• Seiko 0792-896
• Seiko 6213-685
• Seiko 5662-283
• Seiko 7154-817