Side by side

Hamilton Jazzmaster Auto ChronovsOak & Oscar The Olmsted ExP-01

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 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.

Oak & Oscar The Olmsted ExP-01

Owners widely praise Oak & Oscar The Olmsted ExP-01 for its exceptional finishing, comfortable bracelet, and smooth movement. The dial designs are a frequent point of admiration, with specific appreciation for the white, navy, and gray variants, as well as the orange seconds hand. The watch is considered fairly priced at around $1.5k and is noted for its versatility and "soul." On balance, owners rate Oak & Oscar The Olmsted ExP-01 highly for its overall quality, design, and the brand's customer service.

At a glance

15 of 29 specs differ
Diameter
Jazzmaster Auto Chrono42mm
The Olmsted ExP-0138mm
Power Reserve
Jazzmaster Auto Chrono60h
The Olmsted ExP-0142h
Water Resistance
Jazzmaster Auto Chrono100m
The Olmsted ExP-01100m
MSRP
Jazzmaster Auto Chrono$2,095
The Olmsted ExP-01$1,775

Full specifications

Case

6 specs
Category
Chronograph
Field
Diameter
42mm
38mm
Thickness
15.23mm
10.8mm
Lug-to-Lug
0mm
44.9mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Heat-treated Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
H-21
Sellita SW300-1
Beat Rate
0 vph
4 vph
Power Reserve
60h
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$2,095
$1,775
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