Side by side

Hamilton Jazzmaster Thinline AutovsGrand Seiko SBGH349

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

Jazzmaster Thinline Auto
HamiltonJazzmaster Thinline Auto
MSRP $1,145
SBGH349
Grand SeikoSBGH349
MSRP $7,800

At a glance

9 of 29 specs differ
Diameter
Jazzmaster Thinline Auto40mm
SBGH34940mm
Power Reserve
Jazzmaster Thinline Auto42h
SBGH34955h
Water Resistance
Jazzmaster Thinline Auto50m
SBGH349100m
MSRP
Jazzmaster Thinline Auto$1,145
SBGH349$7,800

Full specifications

Case

4 specs
Thickness
8.45mm
13mm
Lug-to-Lug
46mm
46.6mm
Material
Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Beige
Black

Movement

2 specs
Caliber
2892-A2
9S85
Power Reserve
42h
55h

Pricing

1 specs
MSRP
$1,145
$7,800

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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 Thinline Auto

Owners widely praise the Hamilton Jazzmaster Thinline Auto for its gorgeous, stunning, and captivating dials, particularly the champagne and burgundy variants, and its thin, comfortable profile, often noted at around 7mm to 8.4mm, making it ideal for wearability under shirt cuffs. The ETA 2892 movement is considered a strong value, though some owners report the rotor can be noisy and the winding feel unrefined, while others find the small crown difficult to manipulate. The absence of a second hand is polarizing, with some appreciating the simplicity and ease of setting, while others miss its presence. Overall, owners rate the Hamilton Jazzmaster Thinline Auto highly for its attractive, thin design and dial beauty at its price point.

From video reviewers

The slim case profile and affordable price point are consistently praised. Reviewers noted the absence of a second hand.

Grand Seiko SBGH349

The Grand Seiko SBGH349 "Icefall" is widely praised for its stunning, deeply finished light blue dial, sharp case lines, and lightweight 40mm titanium construction. Owners and reviewers consistently highlight its understated, over-engineered finishing and practical yet obsessive build, making it suitable for daily wear and special occasions. The 13mm thickness is noted to work well with the 40mm case size, softened by the titanium material. The watch houses the automatic hi-beat 9S85 movement, offering a 55-hour power reserve and magnetic resistance of 4,800 A/m, with accuracy rated at +5 to -3 seconds per day. One reviewer notes that while the five-row bracelet is visually impressive, its clasp lacks micro-adjustability. The Grand Seiko SBGH349 is priced at $7,400 or €8,000. Overall, owners and reviewers rate the Grand Seiko SBGH349 highly for its exceptional finishing and comfortable, lightweight titanium build.

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