Seiko Cal. 5240 - 919

The 5240-919 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5240 caliber with 20j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-93c7d927c7fd]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1992

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