Sea-Gull Natural Series Polaris Sub Dial Luminous Automatic Watch 40mm 316L Stainless Steel
The Sea-Gull Natural Series Polaris is a mechanical wristwatch built around the ST17 automatic movement with 17 jewels and a frequency of 21,600. Its 40mm round case and matching 316L stainless steel strap give it a clean, business-ready profile, while the synthetic sapphire crystal protects the dial.
The Polaris sub-dial and luminous detailing keep the face readable, and 5 bar water resistance covers everyday wear. The push button hidden clasp secures the 7.5 in strap, and the watch weighs 4.4 oz.
Key Features
| Brand | Sea-Gull |
| Model Number | 816.52.6180/816.72.6180/816.12.6180/816.32.6180 |
| Item Type | Mechanical Wristwatch |
| Movement | ST17 |
| Number of Jewels | 17 |
| Movement Frequency | 21600 |
| Winding Mode | Automatic Winding |
| Case Material | 316L Stainless Steel |
| Crystal Material | Synthetic Sapphire |
| Case Thickness | Approx. 0.4 in |
| Case Diameter | Approx. 1.6 in |
| Case Shape | Round |
| Lug-to-Lug | Approx. 1.8 in |
| Strap Material | 316L Stainless Steel |
| Clasp | Push Button Hidden Clasp |
| Strap Length | Approx. 7.5 in |
| Strap Width | Approx. 0.8 in |
| Waterproof | 5 Bar |
| Feature | Sub-dial, Luminous |
| Net Weight | 4.4 oz |
| Warranty | 1 Year |
| Origin | Mainland China |
Highlights
Features
Waterproof: 5 Bar
Feature: Sub-dial, Luminous
Materials & care
- Case and strap: 316L stainless steel
- Crystal: synthetic sapphire
- Wipe the case and strap with a soft dry cloth to keep the finish clean
- Avoid exposing the watch to chemicals, perfumes or prolonged moisture beyond its 5 bar rating
Sizing & fit
The round case measures approximately 1.6 in in diameter with a lug-to-lug of about 1.8 in, and the 316L stainless steel strap is approximately 7.5 in long and 0.8 in wide, secured by a push button hidden clasp.
Frequently asked questions
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