Fifty Fathoms X Fathoms

Technical Specifications
Mechanical depth gaug: The X Fathoms revisits the characteristics of its iconic 1953 ancestor, and combines them with a mechanical depth gauge to create the most high-performance mechanical diving watch ever produced.
Amorphous metal membrane
Decompression valve
Depth indication on two scales
Maximum depth memory with secured reset pusher
Retrograde 5-minute counter
Unidirectional sapphire bezel
Dial Color: Black
Gem-setting: No

Case Specifications
Case Material: Titanium
Water Resistance: 30 bar
Case Diameter: 55.6 mm
Case Thickness: 24 mm
Sapphire Back: No

Strap Specifications
Strap Type: Rubber
Strap Material: Rubber
Strap Clasp: Folding clasp

Reference
5018 1230 64A