Seiko Cal. 6397 - 343

This Quartz model from 1973 features a 40mm PVD Black case. Powered by the 6397 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-599c2cd441ae]

Also known as: Navigator, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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