Seiko Cal. 5633 - 723

The Seiko 5633-723 represents an important milestone in Seiko's 1992 lineup. It features a Cream dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-6c3a00fc0e43]

Also known as: Helmet, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1992

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