Seiko Cal. 6240 - 143

The Seiko 6240-143 represents an important milestone in Seiko's 1993 lineup. Powered by the 6240 caliber with 29j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-5bf129c670b0]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

Related Models

• Seiko 7050-199
• Seiko 4472-543
• Seiko 3863-537
• Seiko 7129-327
• Seiko 5270-463
• Seiko 7044-465
• Seiko 7047-146
• Seiko 7015-770
• Seiko 6660-159
• Seiko 3877-497
• Seiko 4517-513
• Seiko 4546-773