Side by side

Alexander James Watches A4 Prelude 37 GMT Light BluevsHublot Big Bang One Click Sapphire Diamonds Black Dial 39mm

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

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A4 Prelude 37 GMT Light Blue
Alexander James WatchesA4 Prelude 37 GMT Light Blue
MSRP $325
Big Bang One Click Sapphire Diamonds Black Dial 39mm
HublotBig Bang One Click Sapphire Diamonds Black Dial 39mm
MSRP $73,000
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At a glance

17 of 29 specs differ
Diameter
A4 Prelude 37 GMT Light Blue37.4mm
Big Bang One Click Sapphire Diamonds Black Dial 39mm39mm
Power Reserve
A4 Prelude 37 GMT Light Blue40h
Big Bang One Click Sapphire Diamonds Black Dial 39mm50h
Water Resistance
A4 Prelude 37 GMT Light Blue200m
Big Bang One Click Sapphire Diamonds Black Dial 39mm100m
MSRP
A4 Prelude 37 GMT Light Blue$325
Big Bang One Click Sapphire Diamonds Black Dial 39mm$73,000

Full specifications

Case

8 specs
Category
—
Mechanical
Diameter
37.4mm
39mm
Thickness
12.1mm
—
Lug-to-Lug
46mm
—
Lug Width
20mm
—
Finish
Brushed and polished
Steel
Water Resistance
200m
100m
Caseback
Solid
—

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
—
White
Indices
Applied
—

Movement

4 specs
Caliber
Seiko NH34
HUB1710
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
50h
Jewels
25
0

Pricing

1 specs
MSRP
$325
$73,000
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