Seiko Cal. 4593 - 642

Released in 1976, the Cal. 4593 with design code 642 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-ce69cbb19f2d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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