Seiko Cal. 5273 - 903

The Seiko 5273-903 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-0d1dc8efd0d3]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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