BOLDR Supply Co. Odyssey Regatta AdmiralvsHamilton Jazzmaster Maestro Auto Chrono

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

BOLDR Supply Co. Odyssey Regatta Admiral at true scale

Odyssey Regatta Admiral

Hamilton Jazzmaster Maestro Auto Chrono at true scale

Jazzmaster Maestro Auto Chrono

Diameter

45.5mm

45mm

Lug-to-Lug

52mm

n/a

Thickness

16mm

15.3mm

lowest

Water Resistance

500m

highest

100m

Power Reserve

n/a

60h

MSRP

$1,499

lowest

$1,995

Movement

Valjoux 7750

Hamilton H-21

Case

5 specs
Diameter
45.5mm
45mm
Thickness
16mm
15.35mm
Lug-to-Lug
52mm
n/a
Lug Width
22mm
23mm
Water Resistance
500m
100m

Crystal & Dial

1 specs
Dial Color
n/a
Blue

Movement

2 specs
Caliber
Valjoux 7750
Hamilton H-21
Power Reserve
0h
60h

Pricing

1 specs
MSRP
$1,499
$1,995
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

BOLDR Supply Co. Odyssey Regatta Admiral

The BOLDR Supply Co. Odyssey Regatta Admiral Blue is praised for its utilitarian design, robust functionality, and excellent legibility, with its Super-LumiNova lume and firm, satisfying 60-click bi-directional bezel action noted positively. Owners report the Odyssey line feels quality, and the watch is presented as a complete kit with extra straps, offering significant value at its retail price. However, the 45.5mm case size and 18.2mm thickness are considered huge and may be overwhelming for some wrists. On balance, owners and reviewers rate the BOLDR Supply Co. Odyssey Regatta Admiral Blue highly for its value and robust tool watch capabilities, despite concerns about its substantial size.

Hamilton Jazzmaster Maestro Auto Chrono

Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono's premium case finishing and versatile dial layout, suitable for both casual and formal wear. Some owners note the 45mm size can be bulky and may not fit under shirt cuffs, and a lack of a second hand is a deal-breaker for some. Accuracy figures range from gaining about 5 seconds per day to keeping time within 10 seconds per day even after many years without service. Concerns exist regarding the serviceability and potential maintenance costs of the H-21 movement. Overall, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its substantial build quality and attractive design despite some size and movement serviceability considerations.

From video reviewers

The Valjoux 7750 chronograph movement is cited as a strength. Reviewers noted the movement is not without flaws.