Seiko Cal. 7189 - 431

The Seiko 7189-431 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-2bf0718a3b39]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1984

Related Models

• Seiko 7181-166
• Seiko 5621-742
• Seiko 6257-735
• Seiko 6296-449
• Seiko 6116-902
• Seiko 4431-503
• Seiko 7045-807
• Seiko 3893-916
• Seiko 7159-914
• Seiko 6141-325
• Seiko 6666-203
• Seiko 7094-894