Side by side
Seagull Aviation Series Tachymeter Multifunctional Watch 42.5mmvsTimefactors Speedbird PRS-51
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
10 of 29 specs differDiameter
Aviation Series Tachymeter Multifunctional Watch 42.5mm42.5mm
Speedbird PRS-5136mm
Power Reserve
Aviation Series Tachymeter Multifunctional Watch 42.5mm—
Speedbird PRS-51—
Water Resistance
Aviation Series Tachymeter Multifunctional Watch 42.5mm50m
Speedbird PRS-51100m
MSRP
Aviation Series Tachymeter Multifunctional Watch 42.5mm$519
Speedbird PRS-51$436
Full specifications
Case
5 specsDiameter
42.5mm
36mm
Thickness
12.5mm
11.4mm
Lug-to-Lug
49.4mm
42mm
Lug Width
22mm
18mm
Water Resistance
50m
100m
Crystal & Dial
2 specsDial Color
—
Black
Lume
None
SuperLuminova X1-C3
Movement
2 specsCaliber
Seagull ST2130
Miyota 9015
Power Reserve
0h
—
Pricing
1 specsMSRP
$519
$436
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