Seiko Cal. 7143 - 386

Seiko 7143-386

The 7143-386 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7143 caliber with 23j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0e74331685a7]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1997

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seikata-wm-0e74331685a7