Seiko Cal. 5288 - 377

This Spring Drive model from 1979 features a 42mm Stainless Steel case. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-5e37e129c099]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

Related Models

• Seiko 5625-828
• Seiko 6338-607
• Seiko 5239-478
• Seiko 7157-113
• Seiko 5221-434
• Seiko 4583-824
• Seiko 5614-699
• Seiko 5242-152
• Seiko 6289-969
• Seiko 7027-445
• Seiko 6358-791
• Seiko 7021-989