Side by side

Hamilton Jazzmaster Auto ChronovsBoldr The Boys

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

Jazzmaster Auto Chrono
HamiltonJazzmaster Auto Chrono
MSRP $2,095
The Boys
BoldrThe Boys
MSRP $299

At a glance

13 of 29 specs differ
Diameter
Jazzmaster Auto Chrono42mm
The Boys38mm
Power Reserve
Jazzmaster Auto Chrono60h
The Boys40h
Water Resistance
Jazzmaster Auto Chrono100m
The Boys200m
MSRP
Jazzmaster Auto Chrono$2,095
The Boys$299

Full specifications

Case

7 specs
Category
Chronograph
Tool
Diameter
42mm
38mm
Thickness
15.23mm
12mm
Lug-to-Lug
46mm
44mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
The Boys' Brigade 90th Anniversary Edition
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-21
Seiko NH35A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,095
$299

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What people say

Owners + reviewers, side by side

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

Hamilton Jazzmaster Auto Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its value and dressy yet substantial look. The H-31 or adapted 7753 movement is noted, alongside a 60-hour power reserve. Some owners prefer a 3-6-9 subdial layout or a smaller case size, and the movement's thickness makes it unsuitable for those seeking a slim watch. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its value and refined aesthetic.

Boldr The Boys

Boldr The Boys is praised for its lightweight, durable titanium case, ergonomic lugs, and excellent legibility with strong lume. Owners note the competitive price and good customer service, while reviewers highlight the reliable SII NH35A movement and 200m water resistance. Some owners report that titanium scratches easily and question the brand's history and recognition. On balance, owners and reviewers rate Boldr The Boys highly for its practical features and value at $299.

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