Side by side

Hamilton Jazzmaster Performer AutochronovsSpinnaker Croft 39 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
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Performer Autochrono42mm
Croft 39 GMT39mm
Power Reserve
Jazzmaster Performer Autochrono60h
Croft 39 GMT40h
Water Resistance
Jazzmaster Performer Autochrono100m
Croft 39 GMT100m
MSRP
Jazzmaster Performer Autochrono$2,645
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
42mm
39mm
Thickness
15.22mm
13mm
Lug-to-Lug
46mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Blue
Red

Movement

2 specs
Caliber
H-31
Seiko NH34A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,645
$445

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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.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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