Side by side

Hamilton Jazzmaster Seaview Auto ChronovsSeiko 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 Seaview Auto Chrono

Owners report that after seven years of daily wear, the Hamilton Jazzmaster Seaview Auto Chrono began gaining approximately 15 seconds per day, requiring a service. Post-service, accuracy improved to +/- 4 seconds per day, and a case replacement was included in a $220 plus tax service cost. One owner finds the Hamilton Jazzmaster Seaview Auto Chrono attractive with its sapphire bezel, clean dial, and polished/brushed finishing. On balance, owners value the watch's aesthetics and finishing, though one owner considers its retail price too high for a quartz model.

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

13 of 29 specs differ
Diameter
Jazzmaster Seaview Auto Chrono44mm
Prospex SPEEDTIMER42.5mm
Power Reserve
Jazzmaster Seaview Auto Chrono
Prospex SPEEDTIMER45h
Water Resistance
Jazzmaster Seaview Auto Chrono
Prospex SPEEDTIMER100m
MSRP
Jazzmaster Seaview Auto Chrono$2,045
Prospex SPEEDTIMER$3,000

Full specifications

Case

5 specs
Diameter
44mm
42.5mm
Thickness
14.95mm
15.1mm
Lug-to-Lug
0mm
50mm
Lug Width
22mm
20mm
Water Resistance
100m

Crystal & Dial

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

Movement

3 specs
Caliber
8R46
Power Reserve
0h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,045
$3,000
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