Head to head
Hamilton Jazzmaster 42mm Open Heart vs Mido Commander Big Date
Two automatic watches from different brands, €5 apart, recorded at Tempus on 12 November 2026.
What the spec sheets say
The Hamilton Jazzmaster 42mm Open Heart leads on 1 point (thickness), the Mido Commander Big Date on 0.
- Choose the Hamilton Jazzmaster 42mm Open Heart if you prefer a slimmer case.
- Choose the Mido Commander Big Date if you prefer its brand or its design: the spec sheet gives it no edge.
Line by line
CriterionHamiltonMido
Price at our check€1,225€1,230
MovementAutomaticAutomatic
CalibreH-10Calibre 80
CrystalSapphireSapphire
Water resistance50 m50 m
Diameter42 mm42 mm
Thickness11.44 mmAdvantage12 mm
Comparison based on the retailer’s spec sheets, without handling the watches. Criteria with no objective winner (diameter, calibre) are left undecided.
Questions
Short answers
Which is cheaper, the Hamilton Jazzmaster 42mm Open Heart or the Mido Commander Big Date?
The Hamilton Jazzmaster 42mm Open Heart, at €1,225 against €1,230 at our check on 12 November 2026.
Which is more water-resistant?
Neither: both are water-resistant to 50 m.
Do they have the same crystal?
Yes, a sapphire crystal on both.