Side by side

Hamilton Jazzmaster Lord Hamilton Auto ChronovsSpinnaker Cahill Automatic

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

Jazzmaster Lord Hamilton Auto Chrono
HamiltonJazzmaster Lord Hamilton Auto Chrono
MSRP $1,695
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Lord Hamilton Auto Chrono46mm
Cahill Automatic42mm
Power Reserve
Jazzmaster Lord Hamilton Auto Chrono60h
Cahill Automatic40h
Water Resistance
Jazzmaster Lord Hamilton Auto Chrono100m
Cahill Automatic200m
MSRP
Jazzmaster Lord Hamilton Auto Chrono$1,695
Cahill Automatic$350

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
46mm
42mm
Thickness
15.25mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
24mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

2 specs
Caliber
H-21
SII NH35A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,695
$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 Jazzmaster Lord Hamilton Auto Chrono

Owners widely praise the Hamilton Jazzmaster Lord Hamilton Auto Chrono for its clean, classic, and highly legible dial, with one noting its lume charges quickly and brightly. Stellar timekeeping is reported, with one owner seeing +2 or 3 seconds per day. The watch is described as bridging the gap between casual and dressy, and comfortable for its size. However, one owner found the watch felt "kind of cheap" and was "honestly not that happy with it," while another questioned Hamilton's quality control after receiving a watch with a dial blemish and a temporarily broken day/date function. Some owners express skepticism about the $650 price point, with one suggesting they would only pay $250. The stock leather band is described as nice but stiff, and the lugs are shorter than preferred by one owner. The watch features a sapphire crystal with great anti-reflective coating and a modified Valjoux 7750 movement with extra power reserve.

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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