Seiko Cal. 7140 - 452

The Seiko 7140-452 represents an important milestone in Seiko's 1992 lineup. Powered by the 7140 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-25418e259262]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1992

Related Models

• Seiko 4548-418
• Seiko 4526-256
• Seiko 5641-380
• Seiko 3838-779
• Seiko 6629-989
• Seiko 4447-959
• Seiko 7074-106
• Seiko 4410-744
• Seiko 3838-512
• Seiko 3811-547
• Seiko 6386-139
• Seiko 6396-201