Seiko Cal. 7040 - 504

The Seiko 7040-504 represents an important milestone in Seiko's 1979 lineup. Powered by the 7040 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-f46aef65319a]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

Related Models

• Seiko 6333-967
• Seiko 6170-943
• Seiko 6341-858
• Seiko 0760-529
• Seiko 4461-989
• Seiko 4532-674
• Seiko 6610-134
• Seiko 0762-362
• Seiko 5653-569
• Seiko 7089-995
• Seiko 4586-236
• Seiko 3811-391