Seiko Cal. 7040 - 780

The Seiko 7040-780 represents an important milestone in Seiko's 1973 lineup. Powered by the 7040 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-229358248574]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

Related Models

• Seiko 4557-830
• Seiko 0714-677
• Seiko 0766-478
• Seiko 6352-439
• Seiko 3854-879
• Seiko 6260-671
• Seiko 4589-137
• Seiko 5637-621
• Seiko 6180-970
• Seiko 7030-974
• Seiko 5665-920
• Seiko 5656-851