Seiko Cal. 6399 - 778

This Hand-Winding model from 1991 features a 41mm Titanium case. Powered by the 6399 caliber with 34j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-ddfa7d417f36]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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