Not known Factual Statements About Speedmaster Steel Chronograph Watch 311.33.42.30.01.001
Speedmaster Steel Chronograph Watch 311.33.42.30.01.001
Little seconds Smaller seconds A hand over a sub-dial which tracks seconds generally it completes a complete rotation in one minute.
The black bezel, with its tachymetric scale, is mounted with a 42 mm stainless steel case and presented on