Seiko Cal. 6397 - 923

The 6397-923 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6397 caliber with 22j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-2eeba01fbd89]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1990

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