Seiko Cal. 7040 - 900

Released in 1978, the Cal. 7040 with design code 900 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c0aa8ac9b0fe]

Also known as: Silverwave, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

Related Models

• Seiko 4483-672
• Seiko 6278-501
• Seiko 6329-972
• Seiko 4527-487
• Seiko 4586-487
• Seiko 4472-440
• Seiko 0727-997
• Seiko 7167-222
• Seiko 0727-339
• Seiko 5262-750
• Seiko 6349-513
• Seiko 7080-693