Side by side

Hamilton Jazzmaster Maestro Auto ChronovsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

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 Maestro Auto Chrono

Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono for its dramatic quality and attention to detail, with its versatile design suitable for dressing up or down. Timekeeping is generally good, with one owner reporting gains of no more than 5 seconds per day, and another noting their 7750-based movement has kept time within 10 seconds per day even after 15 years without service. Some owners find the lack of a second hand a dealbreaker, and the 45mm size may not fit comfortably under sleeves. Concerns exist regarding potentially high maintenance costs and intervals. Overall, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its bulletproof build and classic, dressy appearance at an accessible price point.

From video reviewers

The automatic chronograph movement is a noted strength. The style is also highlighted as an enticing attribute. Reviewers question its ability to compete with luxury watches at a similar price point.

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

Owners widely praise the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition for its refined presence and intricate dial patterns, with some favoring its unique red dial and steel bezel over other Speedtimer models. However, some owners criticize the 24-hour subdial as useless, the date window as recessed, and the stock bracelet as difficult to fit, while others find the pushers stick out too much. One owner notes the $995 price point is high for the 6R55 movement, suggesting a lower range, though others appreciate the Seiko finishing and charm. On balance, owners rate the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition well for its unique aesthetic and finishing, despite some functional and value concerns.

At a glance

12 of 29 specs differ
Diameter
Jazzmaster Maestro Auto Chrono41mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Jazzmaster Maestro Auto Chrono60h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Jazzmaster Maestro Auto Chrono100m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Jazzmaster Maestro Auto Chrono$2,275
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

4 specs
Diameter
41mm
42mm
Thickness
15.1mm
14.6mm
Lug-to-Lug
0mm
49.5mm
Lug Width
22mm
20mm

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Silver
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-21
8R48
Power Reserve
60h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,275
$2,500
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