Seiko Cal. 6393 - 739

The Seiko 6393-739 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fc8e285f61b3]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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