Seiko Cal. 6140 - 475

The Seiko 6140-475 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-19606941df46]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

Related Models

• Seiko 6341-626
• Seiko 6111-641
• Seiko 4518-248
• Seiko 5646-393
• Seiko 7096-619
• Seiko 6694-931
• Seiko 3891-477
• Seiko 5625-902
• Seiko 6645-255
• Seiko 6645-794
• Seiko 0778-416
• Seiko 7150-519