Side by side

Hamilton Jazzmaster Performer AutochronovsSeiko Prospex SPEEDTIMER

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 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.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

At a glance

12 of 29 specs differ
Diameter
Jazzmaster Performer Autochrono42mm
Prospex SPEEDTIMER42.5mm
Power Reserve
Jazzmaster Performer Autochrono60h
Prospex SPEEDTIMER45h
Water Resistance
Jazzmaster Performer Autochrono100m
Prospex SPEEDTIMER100m
MSRP
Jazzmaster Performer Autochrono$2,645
Prospex SPEEDTIMER$3,000

Full specifications

Case

4 specs
Diameter
42mm
42.5mm
Thickness
15.22mm
15.1mm
Lug-to-Lug
0mm
50mm
Lug Width
22mm
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
H-31
8R46
Power Reserve
60h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,645
$3,000
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