Seiko Cal. 5633 - 347

The Seiko 5633-347 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-6e1f203fa6df]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1983

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