Side by side

Hamilton Jazzmaster Performer AutochronovsOak & Oscar The Humboldt GMT

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

Jazzmaster Performer Autochrono
HamiltonJazzmaster Performer Autochrono
MSRP $2,645
The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175

At a glance

17 of 29 specs differ
Diameter
Jazzmaster Performer Autochrono42mm
The Humboldt GMT39.5mm
Power Reserve
Jazzmaster Performer Autochrono60h
The Humboldt GMT56 hoursh
Water Resistance
Jazzmaster Performer Autochrono100m
The Humboldt GMT200m
MSRP
Jazzmaster Performer Autochrono$2,645
The Humboldt GMT$2,175

Full specifications

Case

9 specs
Category
Chronograph
GMT
Diameter
42mm
39.5mm
Thickness
15.22mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Blue
White
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
H-31
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
60h
56 hoursh

Pricing

1 specs
MSRP
$2,645
$2,175

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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 Performer Autochrono

Owners widely praise the Hamilton Jazzmaster Performer Autochrono for its versatile design, clean no-date dial, and comfortable wearability. Reviewers note the 42mm model features dauphine hands and a tachymeter bezel, powered by the H-31 automatic chronograph movement with a 60-hour power reserve. Some owners report an 80-hour power reserve and find the watch a beautiful choice for daily wear, while others express concerns about the price point and the durability of the black bezel. Accuracy averages just over 2 seconds per day, though one owner experienced an internal issue requiring service. On balance, owners and reviewers appreciate the Hamilton Jazzmaster Performer Autochrono for its attractive styling and daily wearability, despite some reservations regarding its price and bezel durability.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

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