Seiko Cal. 0740 - 497

The 0740-497 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0740 caliber with 34j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-48d0adc3f1fa]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1965

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