Seiko Cal. 7143 - 509

This Hand-Winding model from 1967 features a 39mm Two-Tone case. Powered by the 7143 caliber with 24j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-f2bf09f0e45f]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1967

Related Models

• Seiko 4463-336
• Seiko 6251-425
• Seiko 6358-322
• Seiko 6364-136
• Seiko 5211-980
• Seiko 6221-642
• Seiko 4478-306
• Seiko 0727-988
• Seiko 6191-543
• Seiko 6312-206
• Seiko 6215-330
• Seiko 4553-918