Side by side

Hamilton Jazzmaster Auto ChronovsSpinnaker Spence 300

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
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Auto Chrono42mm
Spence 30040mm
Power Reserve
Jazzmaster Auto Chrono60h
Spence 30040h
Water Resistance
Jazzmaster Auto Chrono100m
Spence 300300m
MSRP
Jazzmaster Auto Chrono$2,095
Spence 300$650

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
40mm
Thickness
15.23mm
11.5mm
Lug-to-Lug
46mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Aquamarine

Movement

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

Pricing

1 specs
MSRP
$2,095
$650

Follow this matchup

Get a note when Hamilton Jazzmaster Auto Chrono vs Spinnaker Spence 300 gets more votes, a community discussion, or a price drop. No account needed.

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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.