Seiko Cal. 6393 - 873

The Seiko 6393-873 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-cfcaf2722dec]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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