ROVE™
ExploreMB&FHM4 Thunderbolt
MB&F HM4 Thunderbolt
Discontinued

ON YOUR WRIST™

Fit Preview

Set your wrist size to preview watches on your wrist.

Set wrist size →
MB&F

HM4 Thunderbolt

Discontinued 2015
Year Introduced2010
Case Diameter54 mm
Case ShapeRound
Lug to Lug63.7 mm (est.)
MovementManual
Made InSwitzerland