Side by side

Hamilton American Classic Boulton MechanicalvsHalios Universa II

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 Boulton Mechanical

Owners widely praise the Hamilton American Classic Boulton Mechanical for its smooth winding action and hacking seconds, with the absence of a date complication being a frequently noted positive. The watch is also lauded for its cool aesthetic and interesting company heritage. Overall, owners rate the Hamilton American Classic Boulton Mechanical highly for its user-friendly mechanical movement and distinctive style.

Halios Universa II

Owners widely praise the Halios Universa II for its applied indices, excellent finishing for the price, and comfortable 38mm dimensions. The integrated bracelet design with a satisfying micro-adjust clasp and case architecture are described as masterclasses. However, some find the bracelet clasp chunkier than the overall design, and the angular lug design is noted as not being for everyone. One owner reported unexpected pastel dial colors and a poor winding action. On balance, owners rate the Halios Universa II highly for its applied indices and excellent finishing at the price point.

From video reviewers

The pastel blue dial is a standout feature. The push-pin crown is a potential drawback.

At a glance

12 of 29 specs differ
Diameter
American Classic Boulton Mechanical34mm
Universa II38mm
Power Reserve
American Classic Boulton Mechanical80h
Universa II
Water Resistance
American Classic Boulton Mechanical50m
Universa II100m
MSRP
American Classic Boulton Mechanical$1,075
Universa II$995

Full specifications

Case

6 specs
Diameter
34mm
38mm
Thickness
11.2mm
11.8mm
Lug-to-Lug
0mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Sapphire (double-domed)
Dial Color
White
Gold

Movement

3 specs
Caliber
H-50 (ETA 2801-2 base)
Sellita SW300-1
Type
Manual
Automatic
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,075
$995
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