Seiko Cal. 4596 - 655

This Spring Drive model from 1970 features a 39mm Titanium case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-82c643d321ea]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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