Seiko Cal. 0740 - 427

The 0740-427 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0740 caliber with 34j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-c58cd082fe44]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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