Citizen Crystal Seven para100mwater diver


Exactly one year ago I wrote about a fabulous watch, the Dandy Seven diver (read about it HEREand here we are today talking about it’s brother, the Crystal Seven diver. They were made in the same period, they share the same line (Seven), the same movement, and the same style, but each stands proud as powerful individual watch.

crystal seven vintage citizen diver

It is a decent sized watch, with a modern look and a strong vintage feel; maybe it is the shape of the case, maybe the colors, maybe the entire watch. By the way, it is made entirely of stainless steel. The SS bracelet I doubt it is the original one but it suits the watch very well, with those blue highlights, that match the minute chapter ring color perfectly. The front part of the case is brushed while all the rest is polished.

It is a diver watch (para 100m water) and as any diver watch that respects itself it has a bezel. This one is an aluminum bidirectional friction type with a luminous dot on 12. The dial is beautiful, grey, with a sunburst effect. The hours are marked with luminous material. The hands had luminous parts too but on mine they must have fallen out and to this day it was not yet relumed. The second hand has a luminous ball too. The minute chapter ring is blue with white 5 minutes dots.

The movement inside is the Citizen automatic 5204 calibre, with 27 jewels. It can also be winded by hand. The winding crown is made of stainless steel and signed CTZ. It is not a screw-in type. Due to this movement, the watch displays both the day of the week as well as the date. The day changes by advancing the hands past midnight while the date changes normally in the second position of the crown. The movement doesn’t hack.

One thing that differentiates it from it’s brother (the Dandy Seven) is the mineral crystal (hence the Crystal Seven name). On the other hand, Dandy Seven it fitted with an acrylic one.

All things considered it is a beautiful, rare diver, vintage and somehow modern at the same time.

Read more about other vintage Citizen divers HERE.

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Citizen Dandy Seven Para100mWater Diver


Citizen Dandy Seven Para100mWater Diver – The True Diving Watch

Model 4-520688 Y

There are common watches, rare watches, ultra mega extra rare watches and… this. 🙂

Let me tell you this watch in not rare, it is something none of my Citizen collector friends knew it existed. If you saw another one, let me know. To add to this story, it comes in mint NOS condition, with price tag, model tag, papers, box (inner and outer one), stickers… complete package as the day it left the Citizen factory so long ago. By the way, it was made in 1969.

Here it is, the way I got it:

dandy seven diver citizen

Now let’s get to the watch itself!

Citizen named it Dandy Seven Diver and marketed it as a powerful waterproof watch designed for underwater use. The powerful Citizen “Parawater” (waterproofing) enables this watch to resist 10 atmospheric pressures at the depth of 100m underwater. It is equipped with a register ring that indicates the time lapse  and the remaining time after submerging, and a safety diving depth graduation witch indicates the safety limit of diving depth and acts to prevent submarine sickness. Thus, it can be said that this watch is ideal for those who make diving their profession and therefore it is called the true diving watch.

What can I say, it is a true diving watch and such a beautiful one! I love the colors, the shape, the size. The bezel is bidirectional friction type (as most of the Citizen divers are – except from the 500m Chrono Master). The bezel insert has a metallic blue color that contrasts with the orange inner bezel. Blue and orange are complementary colors so this watch really catches your eyes especially in bright natural light. On the bezel Citizen placed a luminous dot rather then the usual triangle. The crystal is acrylic, beautifully bending the light. The crown is signed “C”. Both the case and the bracelet are made in stainless steel and are carefully finished in brushed surfaces and polished ones. The clasp has the usual diving extension Citizen used for a lot of their models.

citizen diver dandy seven

As for the features:

  1. It adopts Citizen’s “Parawater” (powerful water proofing) device and is capable of resisting 10 atmospheric pressures.
  2. It adopts a time register ring.
  3. It has safety diving depth graduation.
  4. An automatic winding watch equipped with a manual winding mechanism.
  5. It has clear viewing day and date indicators.
  6. Equipped with Citizen’s unique quick date setting device.
  7. Adopts Citizen’s unique Parashock (shockproofing) device and unbreakable spring.

Regarding the movement, I tried to open it but was afraid to scratch it so I left it this way because as for most of NOS pieces I have found out that this is a difficult and risky operation. I tend to believe that the movement inside is the Citizen calibre 5204?

Citizen also provided information about how to use the time register ring, time, day and date setting, and reading the safety diving depth graduation. Also some instructions on the maintenance of the waterproofing quality were given.

All things considered this is an awesome powerful watch that I hope you like reading about. Awesome Citizen! My first 100% complete vintage Citizen package and such a beautiful, rare one it is!

UPDATE: I managed to find another one so here they are side by side:

citizen dandy seven vintage diver

The movement inside is indeed the Citizen calibre 5204.

dandy seven vintage citizen diver parawater.jpg

Read more about vintage Citizen divers here:

https://vintagecitizenwatches.com/diving/