The Basics
The Official Cosmonauts Chronograph Mars 500 reference 638.28.13 was created especially for the Mars 500 Mission, a simulated 500 day journey to Mars. It features bold orange accents. Like the regular version of the Official Cosmonauts Chronograph, this watch is powered by the proven ETA / Valjoux 7750 movement.
| Brand: | Fortis |
| Family: | Cosmonautis |
| Reference: | 638.28.13 |
| Name: | Official Cosmonauts Chronograph Mars 500 |
| Produced: | N/A |
| Limited: | No |
Below is a detailed look at Fortis’s model 638.28.13 from Cosmonautis watch family, including the price, case details and movement features.
The Details
Fortis’s Official Cosmonauts Chronograph Mars 500 (638.28.13) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 42-hour power reserve when fully wound.
The Case
The titanium case measures 42mm in diameter and roughly 15.5mm thick, with 20mm lug width. The round case is paired with a black color dial with stick-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. Fortis’s Cosmonautis model 638.28.13 water resistance is not available. This does not mean this watch is not water resistant. A solid caseback is over the back of the watch case.
| Material: | Titanium |
| Glass: | Sapphire |
| Back: | Solid |
| Shape: | Round |
| Diameter: | 42mm |
| Height: | 15.5mm |
| Lug Width: | 20mm |
| W/R: | N/A |
Case Diameter
Case Thickness
Lug Width
Water Resistance
The Movement
The Cosmonautis 638.28.13 movement is a powered by caliber 7750 made by ETA. The 25-jewel automatic movement is 30mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 42-hour power reserve.
| Type: | Automatic |
| Brand: | ETA |
| Caliber: | 7750 |
| Base: | N/A |
| Display: | Analog |
| Diameter: | 30mm |
| Jewels: | 25 |
| Reserve: | 42 hours |
| Frequency: | 28800 bph |
| Time: | Hours, Minutes, Small Seconds |
| Chronograph: | Chronograph |
| Additionals: |
The Price
How much does the Fortis’s Cosmonautis 638.28.13 cost? This watch was introduced in N/A and has been in Fortis’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.
CURRENT PRICE: Not Available
For more information, visit Fortis online.
Specifications:
- Brand: Fortis
- Model: Official Cosmonauts Chronograph Mars 500
- Reference Number: 638.28.13
- Limited: No
Case & Dial:
- Material: Titanium
- Glass: Sapphire
- Back: Solid
- Diameter: 42
- Thickness: 15.5
- Lug Width: 20
- Dial Color: Black
- Indexes: Arabic Numerals and Stick-shaped hands
- Water Resistance: N/A meters
Movement:
- Winding: Automatic
- Brand: ETA
- Caliber: 7750
- Display: Analog
- Diameter: 30mm
- Jewels: 25
- Power Reserve: 42 hours
- Frequency: 28800 bph
- Functions: Hours, Minutes, Small Seconds
About Fortis
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