Seiko Cal. 7143 - 924

The 7143-924 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7143 caliber with 26j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-c053e6dd3d9c]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1997

Related Models

• Seiko 7157-239
• Seiko 4557-115
• Seiko 7155-937
• Seiko 3818-330
• Seiko 5654-571
• Seiko 4572-315
• Seiko 6276-382
• Seiko 4419-881
• Seiko 7111-240
• Seiko 4519-837
• Seiko 6289-445
• Seiko 4553-303