Please stick with the blackRevised design drawings:
Please let me know your thoughts. I am getting close.
Best,
Todd
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Karlskrona Watch Company dive watch project
- Trådstartare Todd Fredriksen
- Start datum
Sent from my iPad
Todd Fredriksen
Omega
UPDATED design renderings with new crown:
Todd Fredriksen
Omega
I am playing with the blue pantone color. I'd like to hear input on the current color, a more subdued blue or... a more vibrant blue a la the Swedish flag?
Oooops... here is the correct image.
The removal of the crown on the picture above, made me sad. I think it's one of the details on this watch that makes it unique.
leicaphile
Panerai
I agree, it really stands out. How hard would it be to offer it as an option?
As long as it matches the color in the seconds hand it´ll be fine
Any updates? Any thoughts on making the numbers on the bezel smaller? Or is that not an option?
DrDre
Patek
Given a target price of 450 usd and a fairly limited number of units produced, I dont think it is reasonable to expect the watch to go through the ISO tests.
Here's a summary of the ISO 6425 requirements (from Wikipedia) and to me it seems far too advanced for a micro manufacturer in the sub 500 USD price range:
Testing diving watches for ISO 6425 compliance is voluntary and involves costs, so not every manufacturer present their watches for certification according to this standard.
ISO 6425 testing of a diver's watch consists of:
Reliability under water. The watches under test shall be immersed in water to a depth of 30 cm ± 2 cm for 50 hours at 18 °C to 25 °C and all the mechanisms shall still function correctly. The condensation test shall be carried out before and after this test to ensure that the result is related to the above test.
Condensation test. The watch shall be placed on a heated plate at a temperature between 40 °C and 45 °C until the watch has reached the temperature of the heated plate (in practice, a heating time of 10 minutes to 20 minutes, depending on the type of watch, will be sufficient). A drop of water, at a temperature of 18 °C to 25 °C shall be placed on the glass of the watch. After about 1 minute, the glass shall be wiped with a dry rag. Any watch which has condensation on the interior surface of the glass shall be eliminated.
Resistance of crowns and other setting devices to an external force. The watches under test shall be subjected to an overpressure in water of 125% of the rated pressure for 10 minutes and to an external force of 5 N perpendicular to the crown and pusher buttons (if any). The condensation test shall be carried out before and after this test to ensure that the result is related to the above test.
Water-tightness and resistance at a water overpressure. The watches under test shall be immersed in water contained in a suitable vessel. Then an overpressure of 125% of the rated pressure shall be applied within 1 minute and maintained for 2 hours. Subsequently the overpressure shall be reduced to 0.3 bar within 1 minute and maintained at this pressure for 1 hour. The watches shall then be removed from the water and dried with a rag. No evidence of water intrusion or condensation is allowed.
Resistance to thermal shock. Immersion of the watch in 30 cm ± 2 cm of water at the following temperatures for 10 minutes each, 40 °C, 5 °C and 40 °C again. The time of transition from one immersion to the other shall not exceed 1 minute. No evidence of water intrusion or condensation is allowed.
An optional test originating from the ISO 2281 tests (but not required for obtaining ISO 6425 approval) is exposing the watch to an overpressure of 200 kPa. The watch shall show no air-flow exceeding 50 μg/min.
Except the thermal shock resistance test all further ISO 6425 testing should be conducted at 18 °C to 25 °C temperature. Regarding pressure ISO 6425 defines: 1 bar = 105 Pa = 105 N/m2. The required 125% test pressure provides a safety margin against dynamic pressure increase events, water density variations (seawater is 2% to 5% denser than freshwater) and degradation of the seals.
Movement induced dynamic pressure increase is sometimes the subject of urban myths and marketing arguments for diver's watches with high water resistance ratings. When a diver makes a fast swimming movement of 10 m/s (32.8 ft/s) (the best competitive swimmers and finswimmers do not move their hands nor swim that fast[2]) physics dictates that the diver generates a dynamic pressure of 50 kPa or the equivalent of 5 metres of additional water depth.[3]
Besides water resistance standards to a minimum of 100 metres (330 ft) depth rating ISO 6425 also provides minimum requirements for mechanical diver's watches (quartz and digital watches have slightly differing readability requirements) such as:[4]
The presence of a time-preselecting device, for example a unidirectional rotating bezel or a digital display. Such a device shall be protected against inadvertent rotation or wrong manipulation. If it is a rotating bezel, it shall have a minute scale going up to 60 min. The markings indicating every 5 min shall be clearly indicated. The markings on the dial, if existing, shall be coordinated with those of the preselecting device and shall be clearly visible. If the preselecting device is a digital display, it shall be clearly visible.
The following items of the watch shall be legible at a distance of 25 cm (9.8 in) in the dark: time (the minute hand shall be clearly distinguishable from the hour hand);
set time of the time-preselecting device;
indication that the watch is running (This is usually indicated by a running second hand with a luminous tip or tail.);
in the case of battery-powered watches, a battery end-of-life indication.
The presence of an indication that the watch is running in total darkness. This is usually indicated by a running second hand with a luminous tip or tail.
Magnetic resistance. This is tested by 3 expositions to a direct current magnetic field of 4 800 A/m. The watch must keep its accuracy to ± 30 seconds/day as measured before the test despite the magnetic field.
Shock resistance. This is tested by two shocks (one on the 9 o'clock side, and one to the crystal and perpendicular to the face). The shock is usually delivered by a hard plastic hammer mounted as a pendulum, so as to deliver a measured amount of energy, specifically, a 3 kg hammer with an impact velocity of 4.43 m/s. The change in rate allowed is ± 60 seconds/day.
Resistance to salty water. The watches under test shall be put in a 30 g/l NaCl (sodium chloride) solution and kept there for 24 hours at 18 °C to 25 °C. This test water solution has salinity comparable to normal seawater. After this test, the case and accessories shall be examined for any possible changes. Moving parts, particularly the rotating bezel, shall be checked for correct functioning.
Resistance of attachments to an external force (strap/band solidity). This is tested by applying a force of 200 N (45 lbf) to each springbar (or attaching point) in opposite directions with no damage to the watch of attachment point. The bracelet of the watch being tested shall be closed.
Marking. Watches conforming to ISO 6425 are marked with the word DIVER'S WATCH L M or DIVER'S L M to distinguish diving watches from look a like watches that are not suitable for actual scuba diving. The letter L indicates the diving depth, in metres, guaranteed by the manufacturer.
leicaphile
Panerai
Yes, far as I know Doxa doesn't do it and they seem to manage fine.
Todd Fredriksen
Omega
Sorry, Bramster... I cannot commit to the ISO6425 standards. I am a very small company that is working on building my brand through high quality products at reasonable prices and superb customer support. I hope to one day have the backing and resources to offer these types of standards but I'm not there yet. Just wanted to be completely transparent with you and everyone.
Best,
Todd
Best,
Todd
rogart-63
Patek
Any news about the watch?
svesam
Rolex
UPDATED design renderings with new crown:
I really like the design of the watch.
It would be a really nice feature if the trident was in either polished
steel or gold instead of painted on.
Missed this one completely...
I really like your effort and I think the white one looks really nice!
My input would be to make the numbers in the bezel slightly smaller an less Rolex-looking. And also change the crown back to the older version - also less Rolex-looking. The trident in gold looks nice!
Overall; good job and good luck!
I really like your effort and I think the white one looks really nice!
My input would be to make the numbers in the bezel slightly smaller an less Rolex-looking. And also change the crown back to the older version - also less Rolex-looking. The trident in gold looks nice!
Overall; good job and good luck!
Good point !Missed this one completely...
I really like your effort and I think the white one looks really nice!
My input would be to make the numbers in the bezel slightly smaller an less Rolex-looking. And also change the crown back to the older version - also less Rolex-looking. The trident in gold looks nice!
Overall; good job and good luck!
Todd Fredriksen
Omega
Hello all...
I should have the case back design within the next day or two.
I plan on officially announcing the Pre-Order Mailing List within the next week. Also, finalizing the price.
Best,
Todd
I should have the case back design within the next day or two.
I plan on officially announcing the Pre-Order Mailing List within the next week. Also, finalizing the price.
Best,
Todd
Todd Fredriksen
Omega
Case back
