Side by side

Hamilton American Classic Intra-Matic Auto ChronovsHelgray Silverstone (Refurbished)

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.

Hamilton American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

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.

At a glance

8 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Silverstone (Refurbished)40mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Silverstone (Refurbished)
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Silverstone (Refurbished)50m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Silverstone (Refurbished)$150

Full specifications

Case

3 specs
Thickness
14.45mm
11.5mm
Lug-to-Lug
0mm
47mm
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
White

Movement

3 specs
Caliber
H-31
Seiko VK64 (Meca-Quartz)
Type
Automatic
Quartz
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$2,645
$150
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