Seiko Cal. 6397 - 520

The 6397-520 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6397 caliber with 29j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-1a61ad73db87]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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