Jazzmaster Open Heart 40 vs Jazzmaster Open Heart 42

The Jazzmaster Open Heart 42 is larger (42 mm against 40 mm), case thickness is not yet recorded for one or both and both are rated to 50 m. The movement is not yet recorded for one or both. Sizes are typical values across each model's references.

Jazzmaster Open Heart 40 compared with Jazzmaster Open Heart 42: specifications side by side
SpecificationJazzmaster Open Heart 40Jazzmaster Open Heart 42
FamilyHamilton JazzmasterHamilton Jazzmaster
References recorded11
Case diameter40 mm42 mm
Case thicknessNot yet recordedNot yet recorded
Case materialStainless steelStainless steel
Water resistance50 m50 m
CrystalSapphireSapphire
MovementNot yet recordedNot yet recorded
FunctionsNot yet recordedNot yet recorded
Dial coloursNot yet recordedNot yet recorded
IntroducedNot yet recordedNot yet recorded
Limited editions00

Key differences

  • The Hamilton Jazzmaster Open Heart 42 is larger, at a typical 42 mm against 40 mm for the Hamilton Jazzmaster Open Heart 40.
  • The case thickness of the Hamilton Jazzmaster Open Heart 40 is not yet recorded, so the two cannot be ranked on case thickness.
  • Both models have a typical water resistance of 50 m.
  • The Hamilton Jazzmaster Open Heart 40 has no recorded movement, and the Hamilton Jazzmaster Open Heart 42 has no recorded movement.

Jazzmaster Open Heart 40 vs Jazzmaster Open Heart 42 questions

Which is larger, the Jazzmaster Open Heart 40 or the Jazzmaster Open Heart 42?

The Hamilton Jazzmaster Open Heart 42 is larger, at a typical 42 mm against 40 mm for the Hamilton Jazzmaster Open Heart 40.

Which is thinner, the Jazzmaster Open Heart 40 or the Jazzmaster Open Heart 42?

The case thickness of the Hamilton Jazzmaster Open Heart 40 is not yet recorded, so the two cannot be ranked on case thickness.

Which is more water resistant, the Jazzmaster Open Heart 40 or the Jazzmaster Open Heart 42?

Both models have a typical water resistance of 50 m.

Which movement does each watch use?

The Hamilton Jazzmaster Open Heart 40 has no recorded movement, and the Hamilton Jazzmaster Open Heart 42 has no recorded movement.