Explorer II 216570 “Black Dial” 42mm
Technical Product Profile
Explorer II 216570 “Black Dial” 42mm
A 42 mm automatic exploration watch with a fixed 24-hour bezel and orange second-time-zone hand.
Overview
The Explorer II 216570 “Black Dial” 42mm is designed around clear navigation and travel functionality. Its fixed 24-hour bezel works with a large orange arrow hand to display a second time zone or distinguish day from night. The black dial uses oversized luminous markers and a magnified date for rapid reading in dark or changing environments.
Best suited for: A functional choice for travellers, outdoor use and customers who prefer a larger steel watch with straightforward dual-time capability.
Technical Specifications
| Case diameter | 42 mm |
| Case construction | Stainless steel |
| Bezel | Fixed stainless-steel 24-hour bezel |
| Dial | Black dial with luminous markers, date and orange GMT hand |
| Movement | Automatic GMT mechanical movement |
| Power reserve | Approximately 48 hours |
| Functions | Hours, minutes, seconds, date and second time zone |
| Crystal | Sapphire crystal with date magnifier |
| Water resistance | 100 metres / 10 ATM |
| Bracelet / strap | Stainless-steel Oyster-style bracelet |
| Clasp | Folding safety clasp |
Movement & Engineering
The additional 24-hour hand can be used as a home-time reference while the conventional hour hand indicates local time. The fixed bezel provides an immediate day-and-night scale, and the automatic movement maintains both displays during normal wear. The screw-down crown helps seal the case against dust and moisture.
Design & Wearing Experience
A bright orange arrow creates strong contrast against the black dial and gives the watch a clear technical identity. Large luminous markers improve visibility, while the brushed steel bezel reduces glare compared with a highly polished surface.
Key Details
- Independent second-time-zone indication
- Fixed engraved 24-hour bezel
- High-contrast orange GMT hand
- Large 42 mm case and luminous dial
- Practical magnified date display
Care & Maintenance
Keep the crown fully secured before water exposure and avoid severe shocks. When changing time zones, adjust the local-hour display carefully. Clean the engraved bezel with a soft brush to prevent residue accumulating in the numerals.
Water-resistance notice: the stated rating assumes that the crown, pushers and seals are correctly secured and that the watch has passed a recent pressure test. Water resistance can decrease over time and should be checked periodically.
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