Seiko Cal. 5242 - 850

The 5242-850 is a sought-after Solar piece from Seiko's golden era. Powered by the 5242 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-b64792123607]

Also known as: UFO, Rally

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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