Side by side
Borealis Watch Co. Caloura 300mvsSugess Chrono Heritage 1963 (SU1963)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Caloura 300m42mm
Chrono Heritage 1963 (SU1963)38mm
Power Reserve
Caloura 300m40h
Chrono Heritage 1963 (SU1963)35h
Water Resistance
Caloura 300m300m
Chrono Heritage 1963 (SU1963)50m
MSRP
Caloura 300m$275
Chrono Heritage 1963 (SU1963)$449
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
42mm
38mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
13mm
Water Resistance
300m
50m
Caseback
Solid
Display
Crystal & Dial
3 specsCrystal
Sapphire
Acrylic/Sapphire
Dial Color
Black
40mm Silver
Lume
BGW9
None
Movement
5 specsCaliber
NH35
Sea-Gull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Chronograph, Moonphase
Pricing
1 specsMSRP
$275
$449
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