Hamilton Jazzmaster Regulator CinemavsStudio Underd0g Watermel0n (Gen3)

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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.

Hamilton Jazzmaster Regulator Cinema at true scale

Jazzmaster Regulator Cinema

Studio Underd0g Watermel0n (Gen3) at true scale

Watermel0n (Gen3)

Diameter

42mm

38.5mm

Lug-to-Lug

n/a

44.5mm

Thickness

12.8mm

lowest

12.9mm

Water Resistance

50m

50m

Power Reserve

n/a

50h

MSRP

$1,475

$800

lowest

Movement

Hamilton H-12

Seagull ST1901

Case

5 specs
Category
Chronograph
n/a
Diameter
42mm
38.5mm
Thickness
12.83mm
12.9mm
Lug-to-Lug
n/a
44.5mm
Lug Width
22mm
20mm

Crystal & Dial

1 specs
Dial Color
Black
n/a

Movement

3 specs
Caliber
Hamilton H-12
Seagull ST1901
Type
Automatic
Manual
Power Reserve
0h
50h

Pricing

1 specs
MSRP
$1,475
$800
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Reviews

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

Hamilton Jazzmaster Regulator Cinema

The Hamilton Jazzmaster Regulator Cinema is praised for its good value and asymmetric dial layout that enhances legibility. Owners report the 42mm case has significant visual heft due to a large dial and thin bezel, though it wears comfortably. One owner notes poor lume and long lugs that affect wearability. Overall, owners and reviewers rate the Hamilton Jazzmaster Regulator Cinema well for its legibility and comfortable wearability despite some concerns about lume and lug design.

Studio Underd0g Watermel0n (Gen3)

The Studio Underd0g Watermel0n (Gen3) is widely praised for its novel, playful, and colorful design, often described as a fun, juicy, and fresh choice perfect for summer and as a conversation starter. Owners report outstanding build quality and a timeless design, with the strap also feeling premium. The manual-wind Seagull ST1901 movement is noted as mechanically interesting, with one owner reporting impressive accuracy of 1-3 seconds per day. However, one owner found the watermelon colorway became tiresome and felt the finishing was not very good, leading to a cheaper feel over time. The winding action is described as silent and smooth, though some find the lack of tactile feedback disconnects from the expected winding experience. Overall, owners and reviewers consider the Studio Underd0g Watermel0n (Gen3) a well-executed, irreverent, and fairly priced chronograph with a unique design.