Seiko Cal. 7139 - 718

The Seiko 7139-718 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-a478e9594549]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

Related Models

• Seiko 0797-842
• Seiko 6619-329
• Seiko 7142-969
• Seiko 5285-776
• Seiko 7046-610
• Seiko 6172-188
• Seiko 7158-691
• Seiko 6115-506
• Seiko 5285-370
• Seiko 6678-415
• Seiko 4495-893
• Seiko 5250-339