Seiko Cal. 6397 - 143

The 6397-143 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6397 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-0d8f4c96aae5]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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