Side by side
Alexander James Watches A4 Prelude 37 GMTvsHublot Spirit of Big Bang Steel Diamonds
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Spirit of Big Bang Steel Diamonds32mm
Power Reserve
A4 Prelude 37 GMT—
Spirit of Big Bang Steel Diamonds40h
Water Resistance
A4 Prelude 37 GMT200m
Spirit of Big Bang Steel Diamonds100m
MSRP
A4 Prelude 37 GMT—
Spirit of Big Bang Steel Diamonds$18,000
Full specifications
Case
8 specsCategory
—
Mechanical
Diameter
37.4mm
32mm
Thickness
12.1mm
—
Lug-to-Lug
44.7mm
—
Lug Width
20mm
—
Finish
Brushed and polished
Steel
Water Resistance
200m
100m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
White
Blue
Indices
Applied
—
Lume
BGW9
None
Movement
4 specsCaliber
Seiko NH34
HUB1120
Beat Rate
28,800 vph
0 vph
Power Reserve
—
40h
Jewels
25
0
Pricing
1 specsMSRP
—
$18,000
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