Seiko Cal. 7040 - 639

The Seiko 7040-639 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-54343eccc7ff]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

Related Models

• Seiko 0742-794
• Seiko 3829-929
• Seiko 6290-881
• Seiko 6329-937
• Seiko 4515-720
• Seiko 4435-582
• Seiko 7147-447
• Seiko 7058-257
• Seiko 5293-159
• Seiko 4558-640
• Seiko 6276-695
• Seiko 6125-801