A full-calendar chronograph with moonphase, built on the architecture of the Mission line, which began with TWC No. 1, flown aboard Space Shuttle Endeavour on STS-99 in 2000. Swiss Valjoux 7751 automatic, 25 jewels, 46-hour reserve, regulated and decorated in Maryland: rhodium and gold plating, perlage, blued screws, signed rotor. 42 mm steel case, 50 m water resistance; tachymeter and strap configurable. Available now at $4,800; ships in 2–4 weeks.

A full-calendar chronograph with moonphase, built on the architecture of the Mission line, which began with TWC No. 1, flown aboard Space Shuttle Endeavour on STS-99 in 2000. Swiss Valjoux 7751 automatic, 25 jewels, 46-hour reserve, regulated and decorated in Maryland: rhodium and gold plating, perlage, blued screws, signed rotor. 42 mm steel case, 50 m water resistance; tachymeter and strap configurable. Available now at $4,800; ships in 2–4 weeks.




Heritage: The Mission line began with TWC No. 1, flown aboard Space Shuttle Endeavour on STS-99, February 2000, on the wrist of ESA astronaut Gerhard Thiele. Read the STS-99 dossier →

Model: Mission Moon
Edition: Series Two
Collection: Mission Collection
Reference No: MM250-2-B
Serial No: 1 - 100
Production Quantity: 100 numbered pieces per color
Color Variant: Black
Made: Designed in Maryland. Components from Pforzheim and Switzerland. Assembled and regulated in Baltimore.
Designed by: Hartwig Balke
Customization: Strap, Tachymeter, Clasp or Buckle, Hands and Engraving per Request
Warranty: Two years


Heritage: The Mission line began with TWC No. 1, flown aboard Space Shuttle Endeavour on STS-99, February 2000, on the wrist of ESA astronaut Gerhard Thiele. Read the STS-99 dossier →

Model: Mission Moon
Edition: Series Two
Collection: Mission Collection
Reference No: MM250-2-B
Serial No: 1 - 100
Production Quantity: 100 numbered pieces per color
Color Variant: Black
Made: Designed in Maryland. Components from Pforzheim and Switzerland. Assembled and regulated in Baltimore.
Designed by: Hartwig Balke
Customization: Strap, Tachymeter, Clasp or Buckle, Hands and Engraving per Request
Warranty: Two years

Price — $4,800. Availability — Available now; ships in 2–4 weeks.
Shipping — Insured FedEx Priority, signature required, worldwide.
Returns — Accepted within 14 days of delivery on unworn watches with box and papers; engraved and custom pieces are final sale.
Warranty — Two years from date of purchase, covering service and repair through Baltimore Watch Company in Baltimore, MD.
Insured FedEx Shipping
Two-Year Warranty










Pick the reference and strap online, or speak with us first. Pay by card or PayPal, with Pay Later available.
Our watchmakers build, regulate and test your watch in Maryland, then ship it insured by FedEx. In-stock watches ship right away; built-to-order pieces are usually delivered within a month.
Returns within 14 days of delivery, and a two-year warranty with service at the bench.






Designed in Maryland. Components from Pforzheim and Switzerland. Assembled and regulated in Baltimore.
New releases, workshop stories, and limited availability — delivered occasionally.