Seiko Cal. 0740 - 817

The 0740-817 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2685bdd7fe8d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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