Seiko Cal. 7156 - 139

The Seiko 7156-139 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a5fd432aeecf]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

Related Models

• Seiko 7073-483
• Seiko 4491-582
• Seiko 6635-741
• Seiko 0792-534
• Seiko 4417-588
• Seiko 0777-629
• Seiko 5636-662
• Seiko 6681-445
• Seiko 6211-688
• Seiko 4426-279
• Seiko 5664-697
• Seiko 6361-221