Side by side
POLPORA POLPORA Emalie AmetystvsTudor Black Bay 58 18K
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
POLPORA Emalie Ametyst40mm
Black Bay 58 18K39mm
Power Reserve
POLPORA Emalie Ametyst56h
Black Bay 58 18K70h
Water Resistance
POLPORA Emalie Ametyst50m
Black Bay 58 18K200m
MSRP
POLPORA Emalie Ametyst$4,790
Black Bay 58 18K$22,550
Full specifications
Case
8 specsCategory
—
Diver
Diameter
40mm
39mm
Thickness
8.7mm
12.7mm
Lug-to-Lug
46.6mm
46mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Green
Indices
Applied
—
Movement
6 specsCaliber
Sellita SW300-1
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$4,790
$22,550
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