Seiko Cal. 4431 - 993

The Seiko 4431-993 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a84af5c1458a]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1990

Related Models

• Seiko 6162-774
• Seiko 7030-344
• Seiko 5292-311
• Seiko 5620-427
• Seiko 3849-443
• Seiko 4477-144
• Seiko 5287-101
• Seiko 6661-659
• Seiko 7189-734
• Seiko 4542-554
• Seiko 7127-507
• Seiko 6191-565