Side by side

Helgray Silverstone (Refurbished)vsSeiko Prospex SPEEDTIMER Mechanical

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.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

At a glance

12 of 29 specs differ
Diameter
Silverstone (Refurbished)40mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Silverstone (Refurbished)
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Silverstone (Refurbished)50m
Prospex SPEEDTIMER Mechanical200m
MSRP
Silverstone (Refurbished)$150
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

4 specs
Diameter
40mm
39.5mm
Thickness
11.5mm
12mm
Lug-to-Lug
47mm
44.5mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Seiko VK64 (Meca-Quartz)
6R55
Type
Quartz
Automatic
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$150
$995
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