The LOBINNI 1803 is a 40mm Seagull automatic complete calendar dress watch — week display, date window and 24-hour sub-dial on a sunburst dial with slim markers and crystal-style minute dots, sapphire crystal, polished 316L stainless steel case at 12.5mm in rose gold or silver tone, leather strap with push-button hidden clasp, 50m water resistance. Five colour variants.
Note: The listing title and bullet points claim “Swiss Made Quality: Crafted in Switzerland” and “Seagull Swiss Watch.” Seagull (Sea-Gull Watch Group) is a Chinese movement and watch manufacturer based in Tianjin, China. This watch is not Swiss-made. The Seagull movement is a reliable Chinese in-house automatic caliber — that is an honest and accurate description.
| Specification | Detail |
|---|---|
| Model | 1803 |
| Case diameter | 40mm |
| Case thickness | 12.5mm |
| Lug width | 22mm |
| Band length | 23cm |
| Case material | 316L stainless steel |
| Crystal | Sapphire |
| Movement | Seagull automatic in-house (caliber unspecified) |
| Functions | Hours, minutes, week display, date, 24-hour sub-dial |
| Strap | Leather, push-button hidden clasp |
| Water resistance | 50m (5 bar) |
Rose / grey / brown leather: Rose gold case, grey dial, brown leather — the most formally traditional warm combination.
Rose / black / brown leather: Rose gold case, dark dial, brown leather — strong contrast on the warm case.
Rose / brown / brown leather: Rose gold case with a warm brown-toned dial on brown leather — the most tonally cohesive.
Silver / green / black leather: Silver case, green sunburst dial, black leather — the most distinctive and contemporary configuration.
Silver / blue / black leather: Silver case, deep blue sunburst dial, black leather — the most broadly wearable combination.
Seagull (海鸥表 / Tianjin Sea-Gull Watch Group) is a Chinese watch manufacturer and movement maker, founded in 1955 and based in Tianjin, China. Seagull supplies movements to numerous brands globally and manufactures their own branded watches. The 1803’s specific Seagull caliber is not confirmed in available documentation — the listing states “Seagull movement” without identifying the model number.
For buyers comparing the 1803 to other Seagull-movement LOBINNI watches:
| Model | Seagull caliber | Functions |
|---|---|---|
| 1803 (this page) | Unspecified | Week + date + 24-hour |
| 16001 ST16D | ST16D | Day + date + month + 24-hour |
| 12026 Business | ST2130 | Date only |
The 1803 sits between the 12026 (simplest) and 16001 (most complete) in calendar function depth.
Week display: Shows the current day of the week in a sub-window.
Date window: Shows the current date (1–31).
24-hour sub-dial: Shows the current hour in a 24-hour format for AM/PM reference.
The three calendar functions are displayed on a clean sunburst dial without tachymeter scale or decorative disc — a more restrained multi-function layout than the 16001’s busier complete calendar.
The sunburst finish radiates from the dial centre outward — creating lighter and darker tones as the viewing angle changes. The green and blue variants show the most pronounced sunburst effect. The crystal-style minute dots around the outer ring add a decorative detail without rhinestone settings.
The 1803 is built for:
vs. LOBINNI 16001 Seagull ST16D — 16001 adds month display to the day/date/24-hour set on a busier decorated dial at 41.5mm/13.5mm. 1803 has week/date/24-hour on a cleaner sunburst dial at 40mm/12.5mm. Choose 16001 for maximum calendar depth; choose 1803 for the cleaner dial layout.
vs. LOBINNI 17017 Shanghai JHB10 — 17017 uses Shanghai JHB10 at 40mm/12mm with week + date only. 1803 uses Seagull automatic at 40mm/12.5mm with week + date + 24-hour. Both are similar-sized calendar dress watches — 1803 adds the 24-hour sub-dial; 17017 uses Shanghai JHB10 movement.









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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.
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