Seiko Cal. 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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