Side by side

Hamilton Jazzmaster Lord Hamilton Auto ChronovsSpinnaker Bradner GMT

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
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Lord Hamilton Auto Chrono46mm
Bradner GMT42mm
Power Reserve
Jazzmaster Lord Hamilton Auto Chrono60h
Bradner GMT40h
Water Resistance
Jazzmaster Lord Hamilton Auto Chrono100m
Bradner GMT180m
MSRP
Jazzmaster Lord Hamilton Auto Chrono$1,695
Bradner GMT$299

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
46mm
42mm
Thickness
15.25mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
24mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

1 specs
Dial Color
Black
Brown

Movement

2 specs
Caliber
H-21
Seiko NH34A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,695
$299

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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 Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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