Seiko Cal. 6391 - 326

The 6391-326 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6391 caliber with 33j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e2624b791d7a]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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