Side by side
Alexander James Watches A4 Prelude 37 GMTvsFeynman Timekeepers Daylight
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Daylight38mm
Power Reserve
A4 Prelude 37 GMT—
Daylight—
Water Resistance
A4 Prelude 37 GMT200m
Daylight50m
MSRP
A4 Prelude 37 GMT—
Daylight—
Full specifications
Case
5 specsDiameter
37.4mm
38mm
Thickness
12.1mm
8.64mm
Lug-to-Lug
44.7mm
—
Lug Width
20mm
24mm
Water Resistance
200m
50m
Crystal & Dial
3 specsCrystal
Sapphire
—
Dial Color
White
Silver
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
ETA 7001
Type
Automatic
Manual
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