Seiko Cal. 7157 - 910

This Spring Drive model from 1974 features a 42mm Stainless Steel case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-450d2926fa9e]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

Related Models

• Seiko 6654-340
• Seiko 6155-731
• Seiko 0727-420
• Seiko 5290-646
• Seiko 6287-690
• Seiko 6345-127
• Seiko 4536-461
• Seiko 4425-906
• Seiko 3881-923
• Seiko 6673-912
• Seiko 4573-474
• Seiko 7076-162