Seiko Cal. 6399 - 539

The Seiko 6399-539 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3caa21245678]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1985

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