Seiko Cal. 5240 - 858

This Solar model from 1970 features a 36mm Hardlex-Coated Steel case. Powered by the 5240 caliber with 19j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-ff3176d3db94]

Also known as: Helmet, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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