
Photo: Tempus Shop
Catalogue / Hamilton / ref. H32675540
Hamilton Jazzmaster 40mm Open Heart
The Hamilton Jazzmaster 40mm Open Heart is an automatic watch, 40 mm across, with a sapphire crystal, water-resistant to 50 m. It was listed at €1,145 at Tempus at our check on 12 November 2026. Its price is in line with the 47 automatic Hamilton watches in the catalogue (median: €1,145).
Where to buyChecked 12 November 2026
The button leads to today’s price. Affiliate link: the retailer pays us a commission, at no extra cost to you.
Who it suits
Anyone who wants a mechanical watch for daily wear.
Strengths
Automatic movement · Sapphire crystal
Limits
Water-resistant to 50 m
Our view
Decent, without standing out
82 of the 187 automatic watches within 20% of its price are better equipped (crystal, water resistance, titanium). You choose it for its design or its brand, not for its spec sheet.
Depending on what you want
- If you plan to swim with it, take the Mido Ocean Star 200C Titanium instead: water-resistant to 200 m, at €1,350.
- If you want to spend less without losing anything on the spec sheet, the Citizen Promaster Sky Navihawk Mechanical Bleu NK0040-58L costs €599.
- If you like the model but not this version, see the Hamilton Jazzmaster 40mm Open Heart, at €1,225.
Reading the spec sheet
What the spec sheet says
- Automatic movement. It winds itself on the wrist, with no battery, using calibre H-10.
- Sapphire crystal. The most scratch-resistant option.
- Water-resistant to 50 m. A careful swim is fine, diving is not.
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- Hamilton
- Gender
- Men
- Calibre
- H-10
- Case material
- Stainless steel
- Strap material
- Cowhide leather
- Diameter
- 40.00 mm
- Crystal
- Sapphire
- Movement
- Automatic
- Thickness
- 11.05 mm
- Water resistance
- 50 m (5 bar)
- Dial colour
- Blue
- Clasp
- Pin buckle
- Lug width
- 20mm
- Reference
- H32675540
At this price
Alternatives from other brands
Same type of movement, within 20% of the price.
Questions
The short answers
Is the Hamilton Jazzmaster 40mm Open Heart an automatic watch?
Yes. Its movement is automatic (calibre H-10): it winds itself with the motion of the wrist.
Can you swim with the Hamilton Jazzmaster 40mm Open Heart?
With care. It is water-resistant to 50 m: surface swimming is possible, diving is not.
Does the crystal of the Hamilton Jazzmaster 40mm Open Heart scratch?
It has a sapphire crystal, the most scratch-resistant kind.
What size is the Hamilton Jazzmaster 40mm Open Heart?
Its case measures 40 mm in diameter and 11.05 mm thick.
How much does the Hamilton Jazzmaster 40mm Open Heart cost?
It was listed at €1,145 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
Same brand
More Hamilton references
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HamiltonHamilton Khaki Aviation X-Wind GMT Chrono Quartz 46mm - Bracelet Caoutchouc - H77912335€1,145
HamiltonHamilton Jazzmaster Open Heart Auto 42mm - H32705521€1,145
