Seiko Cal. 7040 - 903

Released in 1974, the Cal. 7040 with design code 903 was part of Seiko's domestic market collection. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-ad5ac68e56a5]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

Related Models

• Seiko 6657-294
• Seiko 5231-239
• Seiko 4484-935
• Seiko 5235-132
• Seiko 7142-719
• Seiko 4578-900
• Seiko 6352-449
• Seiko 6140-592
• Seiko 7069-600
• Seiko 6225-181
• Seiko 6624-296
• Seiko 7174-361