Side by side

Hamilton American Classic Intra-Matic Chronograph HvsSeiko 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 American Classic Intra-Matic Chronograph H

The Hamilton American Classic Intra-Matic Chronograph H is widely praised for its attractive vintage-inspired design, clean dial legibility, and satisfying manual-wind experience. Owners and reviewers highlight its retro charm, often described as elegant and classy with a 1960s aesthetic, and its well-balanced panda or reverse panda dial configurations. The H-51 hand-wound movement is noted for its torquey feel and a 60-hour power reserve, with timekeeping reported around +3 seconds per day. The 40mm case size is considered welcome, though its 14.35mm thickness is frequently mentioned as being on the thicker side for a hand-wound chronograph, despite wearing well on the wrist. Some owners expressed a desire for a three-subdial layout, and one noted the OEM strap was utilitarian, while another found the rotor audible and the date setting unusual. The Hamilton American Classic Intra-Matic Chronograph H is priced around $2,045 to $2,095 on bracelet.

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
American Classic Intra-Matic Chronograph H40mm
Prospex SPEEDTIMER42.5mm
Power Reserve
American Classic Intra-Matic Chronograph H60h
Prospex SPEEDTIMER45h
Water Resistance
American Classic Intra-Matic Chronograph H100m
Prospex SPEEDTIMER100m
MSRP
American Classic Intra-Matic Chronograph H$2,495
Prospex SPEEDTIMER$3,000

Full specifications

Case

3 specs
Diameter
40mm
42.5mm
Thickness
14.35mm
15.1mm
Lug-to-Lug
49mm
50mm

Crystal & Dial

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

Movement

4 specs
Caliber
H-51
8R46
Type
Manual
Automatic
Power Reserve
60h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,495
$3,000
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