Seiko Cal. 6393 - 654

The Seiko 6393-654 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-d6668c4fb4f2]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

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