Seiko Cal. 0740 - 781

The 0740-781 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0740 caliber with 21j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-731d576ef835]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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