The Chronofighter Vintage Collection

From Graham -

Courtesy of Graham

Here are the pertinents -

Functions 

Chronograph (seconds, 30 minutes counters). Day-date at 9 o'clock Hours, minutes, seconds 

Calibre 

Calibre G1747, automatic chronograph , 28'800 A/h (4Hz), Incabloc shock absorber 25 jewels
Power reserve : 48 hours 

Case 

44 mm steel case
Steel fast-action start/stop trigger and reset pusher Steel bezel
Domed sapphire crystal with anti-reflective coating See-through sapphire crystal case back 

Water resistance 

330feet/100m/10bar