Side by side

Helgray Silverstone (Refurbished)vsTimefactors Speedbird GMT

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Helgray Silverstone (Refurbished)

Owners widely praise the Helgray Silverstone (Refurbished) for its crisp printing, applied indices, legible date wheel, and solid pushers, noting an amazing fit and finish for the price and an attractive aesthetic. Some owners find the metal bracelet squeaks, and the 24-hour subdial is less desirable than sub seconds. One owner criticizes the thick case, downward-angled lugs that can dig into the wrist, and a crystal with noticeable edge effects. Overall, owners rate the Helgray Silverstone (Refurbished) highly for its impressive build quality and aesthetic appeal at its price point.

Timefactors Speedbird GMT

Owners widely praise the Timefactors Speedbird GMT for its quality and value, with many appreciating its 36mm case size for wearability and its surprisingly good bracelet. Some owners note the GMT function is on an inner ring, and one owner found the date wheel sunken. The watch is noted for its classic aesthetic and is considered a good value, though purchasing requires patience due to limited order windows. Overall, owners rate the Timefactors Speedbird GMT highly for its wearability and value at the price point.

At a glance

10 of 29 specs differ
Diameter
Silverstone (Refurbished)40mm
Speedbird GMT36mm
Power Reserve
Silverstone (Refurbished)40h
Speedbird GMT
Water Resistance
Silverstone (Refurbished)50m
Speedbird GMT100m
MSRP
Silverstone (Refurbished)$150
Speedbird GMT$315

Full specifications

Case

6 specs
Category
Chronograph
Diameter
40mm
36mm
Thickness
11.5mm
11.6mm
Lug-to-Lug
47mm
42.5mm
Lug Width
20mm
18mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
Lume
None
Super Luminova X1 C3

Movement

2 specs
Caliber
Seiko VK64 (Meca-Quartz)
Ronda 515
Power Reserve
40h

Pricing

1 specs
MSRP
$150
$315
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