Side by side
Timefactors Speedbird PRS-51vsVelini Ref. 109-V
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Speedbird PRS-5136mm
Ref. 109-V28mm
Power Reserve
Speedbird PRS-51—
Ref. 109-V40h
Water Resistance
Speedbird PRS-51100m
Ref. 109-V30m
MSRP
Speedbird PRS-51$436
Ref. 109-V$259
Full specifications
Case
5 specsDiameter
36mm
28mm
Thickness
11.4mm
7mm
Lug-to-Lug
42mm
39mm
Lug Width
18mm
20mm
Water Resistance
100m
30m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Black
—
Lume
SuperLuminova X1-C3
None
Movement
3 specsCaliber
Miyota 9015
—
Type
Automatic
Quartz
Power Reserve
—
40h
Pricing
1 specsMSRP
$436
$259
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