Side by side

Hamilton American Classic Intra-Matic Chronograph HvsSpinnaker Cahill Automatic

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

12 of 29 specs differ
Diameter
American Classic Intra-Matic Chronograph H40mm
Cahill Automatic42mm
Power Reserve
American Classic Intra-Matic Chronograph H60h
Cahill Automatic40h
Water Resistance
American Classic Intra-Matic Chronograph H100m
Cahill Automatic200m
MSRP
American Classic Intra-Matic Chronograph H$2,495
Cahill Automatic$350

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
40mm
42mm
Thickness
14.35mm
13.7mm
Lug-to-Lug
49mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
White
Green

Movement

3 specs
Caliber
H-51
SII NH35A
Type
Manual
Automatic
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,495
$350

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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 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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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