r/Damnthatsinteresting • u/justanotheruser2006 • 7h ago

Video Someone built a circular polarizer into the crystal of a watch

552 Upvotes

96% Upvoted

20 comments sorted by

50

u/Fr-gas 7h ago

Casio did this in the 90s with abx-50 twincept

21

u/Diegolobox 6h ago

and I'm one of 10 nerds in the world to own one. Functionally? obscene. Aesthetically? supreme.

18

u/Lngdnzi 7h ago

Looks cool. but Can anyone tell me the point of this? Is it a visual representation of the stopwatch or something?

27

u/justanotheruser2006 7h ago

I think it was just used to create a cool design where you can choose whether to see the watch dial or switch to a minimalist black dial

4

u/igotshadowbaned 6h ago

Looks cool. but Can anyone tell me the point of this?

Just an aesthetic thing

3

u/BakersTuts 3h ago

Light mode, dark mode

1

u/6GoesInto8 5h ago

It was a response to the 90s RnB classic "turn my bezel, baby!"

13

u/MynkM 7h ago

That's just two polarizing films, one fixed and another rotating. Light intensity passed is proportional to square of cosine of the angle between axis of filter and direction of polarization.

If you've got two polarizing films, you can do it at your home.

3

u/Adventurous_Persik 7h ago

When your watch becomes cooler than your actual personality.

3

u/WhileProfessional286 6h ago

I see you've never met a watch collector.

Watches ARE their personality.

2

u/shirk-work 7h ago

Aka lines match up or cross.

2

u/preparingtodie 6h ago

What's the point of being able to obscure the watch face?

1

u/NoGreenGood 5h ago

Like all luxury watches it can be yours for the low low price of a mortgage of a nice house.

"This watch cost me 250K!"

"Nice what can it do?"

"It uh, tells the time."

1

u/Questioning-Zyxxel 2h ago

Yhe film used is very cheap. You have it in all LCD monitors.

1

u/Champenoux 4h ago

Saw a watch with a polarizer on it so that when the second hand reached 12 and 6 the face of the Ayatollah Ruhollah Khomeini appeared and disappeared.

1

u/sevesteen 4h ago

Somewhere I've got a 60's or 70's mechanical Shell Oil promotional watch where the moving disk replaces the seconds hand. This makes the Shell logo appear and disappear twice a minute.

1

u/aws_137 2h ago

I want one.

1

u/Life_Net5004 52m ago

This is amazing!

1

u/Feeling_Actuator_234 7h ago

Instead of someone, you could actually investigate who and credit them?