Seiko Cal. 6391 - 779

The 6391-779 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6391 caliber with 24j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-bafb6436d1fd]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1996

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