Seiko Cal. 7140 - 685

The Seiko 7140-685 represents an important milestone in Seiko's 1987 lineup. Powered by the 7140 caliber with 34j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-fd812d54bdaa]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

Related Models

• Seiko 6391-927
• Seiko 7120-949
• Seiko 4416-244
• Seiko 0758-694
• Seiko 3814-944
• Seiko 5271-744
• Seiko 4429-996
• Seiko 0779-596
• Seiko 6657-304
• Seiko 7018-653
• Seiko 6179-409
• Seiko 6193-674