The Carnival I&W Open-Heart is a 41mm automatic dress watch with an exposed balance wheel aperture at 6 o’clock — showing the oscillating escapement in motion — powered by a Miyota automatic movement with hand-winding capability. At 10.5mm total thickness on an Italian leather strap the watch sits at the slim end of the Carnival automatic range.
Available in six configurations: silver/grey, silver/black, silver/blue, gold/black and gold/blue — across silver-tone and gold-tone case hardware.
On the “skeleton” and “Swiss brand” descriptions in the page title: this is an open-heart watch, not a skeleton watch. A skeleton watch removes the dial entirely to expose the full movement through the front. This watch has a dial with an aperture at 6 o’clock revealing the balance wheel — an open-heart construction. Carnival is a Chinese brand; “Swiss brand” is not an accurate description of the brand’s origin.
| Specification | Detail |
|---|---|
| Case diameter | 41mm |
| Case thickness | 10.5mm |
| Lug width | 20mm |
| Band length | 22cm |
| Case material | Stainless steel |
| Crystal | Sapphire |
| Movement | Miyota automatic (Japan) |
| Open-heart | Balance wheel aperture at 6 o’clock |
| Hand-winding | Yes |
| Luminous | Hands and markers |
| Strap | Italian leather |
| Water resistance | 30m (3 ATM) |
| Warranty | 2 years |
Silver/Grey: A grey dial with silver-tone case hardware — the most restrained and conservative configuration. The grey field makes the open-heart aperture at 6 o’clock visible as a clear window without the dial competing for attention.
Silver/Black: A black dial with silver case. The highest-contrast configuration in the silver range — the open-heart aperture appears as a lit mechanical window against the dark field. Black and silver is the most versatile formal pairing.
Silver/Blue: A blue dial with silver hardware. Deep blue against silver is the most widely appealing combination — a classic dress watch colour pairing that reads well in both business and casual formal contexts.
Gold/Black: A black dial on a gold-tone case. The warm gold case hardware against the dark dial creates a formal, statement-oriented character. The open-heart aperture reads with maximum drama against the black dial on a gold case.
Gold/Blue: A blue dial on a gold-tone case. The combination of cool blue and warm gold is visually the most complex of the six — the two tones create a deliberate contrast that reads as distinctive rather than conventional. The most collector-oriented configuration.
The aperture at 6 o’clock provides a direct view of the balance wheel — the oscillating element at the heart of the movement. At the Miyota’s operating frequency the balance wheel completes several oscillations per second, visible as continuous rhythmic motion through the aperture.
This is real mechanical function made visible, not a decorative element. The balance wheel and the escapement controlling it are the core timekeeping mechanism of the watch — what you see through the aperture is the actual process that determines the watch’s accuracy.
The Italian leather strap frames the watch on the wrist in a way consistent with the formal dress character of the open-heart design. Open-heart watches at this price are typically worn as dress pieces where the movement display is the conversation point.
At 10.5mm the I&W Open-Heart is among the slimmest Carnival automatics — tied with the IW 527 Moon Phase. Combined with Italian leather rather than a steel bracelet, the total wearing weight is significantly lower than bracelet models. For all-day formal wear, a slim leather-strap watch at this thickness disappears under a shirt cuff and produces no fabric lift.
The Italian leather strap softens with wear and develops natural character over time — consistent with the vintage dress watch aesthetic the open-heart design references.
Carnival has multiple open-heart models across different price and specification levels. The I&W Open-Heart sits at the leather-strap dress end of the range.
vs. Carnival 8783G — The 8783G is 45mm with a dashboard calendar layout and multiple bracelet options — larger, more complex, more colour variants. The I&W Open-Heart is slimmer at 10.5mm on leather — the dress option vs the 8783G’s statement piece character.
vs. Carnival 8670 — The 8670 is a 40mm open-heart with triple calendar (day, date, month) on leather or bracelet. The I&W Open-Heart is the simpler, slimmer alternative without the calendar complexity.
vs. Carnival 1986 T6 — The T6 is 42mm with a pyramid bracelet, triple calendar and 50m water resistance. The I&W Open-Heart is the slim leather-strap alternative at 10.5mm without bracelet weight.
vs. Carnival 8880G Tourbillon — The 8880G is the step-up mechanical display piece at higher price. The I&W Open-Heart is the accessible entry point to Carnival’s open-heart range.
The I&W Open-Heart is built for:
Exploring Carnival open-heart and mechanical display watches:






















Original Packing
All of the original Switzerland CARNIVAL watches are with original giftbox, user manual and warranty card, if the watch you bought is without original packing, it maybe fake or Second-hand. Beware of imitations!

Switzerland factory
High-tech from Switzerland, Quality assurance

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| Location | *Estimated Shipping Time |
|---|---|
| United States | 5-20 Business days |
| Canada, Europe | 5-20 Business days |
| Australia, New Zealand | 5-20 Business days |
| Central & South America | 5-25 Business days |
| Asia | 5-20 Business days |
| Africa | 5-25 Business days |
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Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
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*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
We do not issue the refund if:
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
Very nice product. five stars seller, thanks.