MARS PROJECT ONE

计划一号

Brand: Behrens (贝伦斯). Reference: B025. Mechanical, self-winding. Launch date: 2022-March-Date? Limited 200 pieces.

The rotating blue globe and orange globe representing Earth and Mars display time zones on the respective planets. The Tianwen-1 (天问一号) spacecraft left Earth on 2022.7.23 and landed on Mars on 2021.5.15, these two dates are engraved on the left and right side of the watch case (Some instance may have engraved "24:00" and "24:37", which are the times needed for a full rotation of Earth and Mars respectively). All crystals on this watch are made of synthetic sapphire crystal.

*Different from what's shown in the first photo, the actual watch has the Earth globe turned upside down. Though the specs says modified Sellita SW200 movement, some instance may have used modified ETA 2824-2 movement.

MOVEMENT
Mechanical, self-winding. Swiss/China Made. Caliber: Sellita SW200 modified. Bidirectional winding rotor. Functions: Hour, minute, date, day of the week (Hour indication by the roller digits on the left, minutes on the right. Central date aperture. Day of the week display near the respective globes can be manually adjusted by pushing buttons on the left and right sides of the case. ). Quick date setting. Instant date change. Frequency: 28800 vph.

CASE
Grade 5 titanium alloy. Length: 51 mm exclude lugs. Thickness: 9mm exclude crystal and raised part of the case. Apertures on the left and right side of the case sealed with sapphire crystals, on the crystals engraves "2020.07.23" on Earth side and "2021.05.15" on Mars side, these are the dates when the Tianwen-1 spacecraft left Earth and landed on Mars (*Some instance of this watch may have "24:00" and "24:37" on the crystals, which are the times needed for a full rotation of Earth and Mars). Width: 42 mm. Lug width: 25 mm. Water resistance: 30 meters. Weight: 131.9 grams (the whole watch including strap). Luminescence: Green lume on the hour and minute numerals and markings, and on the day of the week letters (orange lume on "S" for Sunday), blue lume on the numerals and markings around the globes. Crystal: Sapphire crystal. Domed. Has anti-reflective coating. All crystals are sapphire. Case back: Fixed with screws. Semi-transparent. Grade 5 titanium alloy case back. Crown: Push-pull. Gear shape. Signed with the Behrens watch logo.

STRAP
Grade 5 titanium alloy links. Adjust length of bracelet without tool: push the square button on back side of bracelet to pop out spring bar. No quick release: Need tool to remove strap from case. Fit for case lug width: 25 mm. Clasp: Fold-over clasp. Grade 5 titanium alloy clasp.