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Alexander James Watches A4 Legacy X 37vsTudor Black Bay 58

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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A4 Legacy X 37
Alexander James WatchesA4 Legacy X 37
Black Bay 58
TudorBlack Bay 58
MSRP $5,350
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At a glance

15 of 29 specs differ
Diameter
A4 Legacy X 3737.4mm
Black Bay 5839mm
Power Reserve
A4 Legacy X 37—
Black Bay 5865h
Water Resistance
A4 Legacy X 37200m
Black Bay 58200m
MSRP
A4 Legacy X 37—
Black Bay 58$5,350

Full specifications

Case

6 specs
Category
—
Diver
Diameter
37.4mm
39mm
Thickness
12.1mm
11.7mm
Lug-to-Lug
44.7mm
46mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Crystal Shape
Flat
—
AR Coating
Inner
—

Movement

6 specs
Caliber
Seiko NH38
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
—
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
—
$5,350
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