Seiko Cal. 0760 - 421

The 0760-421 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0760 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-f9c1b98a6229]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

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