Seiko Cal. 6399 - 158

The 6399-158 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6399 caliber with 34j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-85b814eb3909]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1999

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