Seiko Cal. 6399 - 408

This Spring Drive model from 1991 features a 36mm PVD Black case. Powered by the 6399 caliber with 33j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-dcf3ab7886a6]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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