Citizen 150m 62-5370 & B52806


Citizen Diver OR-O B52806 or 62-5370 are, more or less, the same model. Both of them are difficult to find, no matter the condition, to find a NOS one… almost impossible. The 62-5370 is made for domestic market and the B52806 for export and has its own awesome engraved case back. So, they have different case backs, different hands sets and dial codes but they share some of these features sometimes (variants or marriage?). The second hand tip received a luminous ball for better visibility for the export model. The 62-5370 can be found with a simple second hand. The only obvious thing that is constantly different is the case back. The movement is Citizen cal. 5470 for 62-5370 and 5430 for B52806. I don’t see any other difference between these two calibres other than the swinging rotor.

citizen 62-5370 citizen B52806 (2)

I had to have both of them even though in the first place I got only the NOS export model (because of the beautiful case back).  Both of them are marked water proof 150 M in a period when the term Parawater was about to… unfortunately disappear. This water resistance is possible due to thick mineral crystal, screw in crown and case back. They ware made in ’69-’70 but the exact period is impossible to determine for the export model because it has no serial no. The 62-5370, on the other hand, has a serial engraved and the manufacturing date can easily be seen.

So… one model with variants or two distinct models? The debate might still be on but as far as I am concerned I will consider them variants of the same model and… have them both!

Read about the complete 150m Citizen diver collection HERE.

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2 thoughts on “Citizen 150m 62-5370 & B52806

  1. Pingback: Complete Vintage Citizen 150m Divers | Vintage Citizen Watches

  2. Pingback: Citizen 150 m, réf. 52-0110 – Chronographes

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