Seiko Cal. 5633 - 313

The Seiko 5633-313 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-f592e2c595ff]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1986

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