Seiko Cal. 7040 - 502

The Seiko 7040-502 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-9497200994e2]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

Related Models

• Seiko 0752-349
• Seiko 5689-846
• Seiko 3822-132
• Seiko 7028-464
• Seiko 7145-606
• Seiko 6263-834
• Seiko 7097-171
• Seiko 6132-869
• Seiko 6148-845
• Seiko 6238-122
• Seiko 6389-415
• Seiko 7037-491