Seiko Cal. 0740 - 503

The Seiko 0740-503 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-75618d02054a]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

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