Seiko Cal. 4431 - 998

The Seiko 4431-998 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b2b96c4db84a]

Also known as: Shogun, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

Related Models

• Seiko 4476-653
• Seiko 6690-430
• Seiko 5653-815
• Seiko 6668-388
• Seiko 0758-520
• Seiko 4452-394
• Seiko 6677-622
• Seiko 7091-262
• Seiko 6251-558
• Seiko 5617-844
• Seiko 7026-482
• Seiko 5291-172