Seiko Cal. 7139 - 922

The Seiko 7139-922 represents an important milestone in Seiko's 1987 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-ff066d6a4df5]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1987

Related Models

• Seiko 5269-464
• Seiko 6361-634
• Seiko 3882-982
• Seiko 6340-278
• Seiko 7021-280
• Seiko 0786-972
• Seiko 3849-900
• Seiko 3890-372
• Seiko 6280-839
• Seiko 4565-590
• Seiko 5268-793
• Seiko 6372-114