Side by side

Hamilton Jazzmaster Maestro Auto ChronovsSpinnaker Hull Diver

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

Jazzmaster Maestro Auto Chrono
HamiltonJazzmaster Maestro Auto Chrono
MSRP $1,995
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Maestro Auto Chrono45mm
Hull Diver42mm
Power Reserve
Jazzmaster Maestro Auto Chrono60h
Hull Diver40h
Water Resistance
Jazzmaster Maestro Auto Chrono100m
Hull Diver300m
MSRP
Jazzmaster Maestro Auto Chrono$1,995
Hull Diver$375

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
45mm
42mm
Thickness
15.35mm
15mm
Lug-to-Lug
46mm
47.5mm
Lug Width
23mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Blue
Green

Movement

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

Pricing

1 specs
MSRP
$1,995
$375

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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 Maestro Auto Chrono

Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono for its dramatic increase in quality and attention to detail, its versatile dial layout suitable for dressing up or down, and its bulletproof build that remains problem-free for years. Accuracy figures range from gaining about 5 seconds per day to keeping time within 10 seconds per day even after extended periods without service. Some owners find the lack of a second hand a deal-breaker, and the 45mm size can be chunky and may not fit under shirt sleeves. Concerns exist regarding the movement's serviceability, high maintenance costs, and intervals. On balance, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its robust build and quality for the price, despite some reservations about its size and serviceability.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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