Seiko Cal. 5693 - 304

The Seiko 5693-304 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-4f77e188a8e9]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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