Seiko Cal. 6391 - 675

Released in 1978, the Cal. 6391 with design code 675 was part of Seiko's domestic market collection. Powered by the 6391 caliber with 36j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d93d5afc164b]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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