Side by side
Alexander James Watches A4 Prelude 37 GMTvsYema Navygraf Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Navygraf Chrono40mm
Power Reserve
A4 Prelude 37 GMT—
Navygraf Chrono40h
Water Resistance
A4 Prelude 37 GMT200m
Navygraf Chrono100m
MSRP
A4 Prelude 37 GMT—
Navygraf Chrono$1,999
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
37.4mm
40mm
Thickness
12.1mm
13.9mm
Lug-to-Lug
44.7mm
—
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
White
Navy
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
—
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$1,999
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