Side by side

Hamilton American Classic Day Date AutovsGrand Seiko SBGH349

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

American Classic Day Date Auto
HamiltonAmerican Classic Day Date Auto
MSRP $1,245
SBGH349
Grand SeikoSBGH349
MSRP $7,800

At a glance

11 of 29 specs differ
Diameter
American Classic Day Date Auto42mm
SBGH34940mm
Power Reserve
American Classic Day Date Auto80h
SBGH34955h
Water Resistance
American Classic Day Date Auto50m
SBGH349100m
MSRP
American Classic Day Date Auto$1,245
SBGH349$7,800

Full specifications

Case

6 specs
Diameter
42mm
40mm
Thickness
11.55mm
13mm
Lug-to-Lug
46mm
46.6mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Grey
Black

Movement

2 specs
Caliber
H-30
9S85
Power Reserve
80h
55h

Pricing

1 specs
MSRP
$1,245
$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 American Classic Day Date Auto

Owners widely praise the Hamilton American Classic Day Date Auto for its legible dial, well-integrated day-date complication, and vintage military aesthetic. The 40mm to 42mm case is noted to wear smaller than its dimensions suggest, and the complication is considered well-executed for its price point. However, the lume is criticized for poor intensity and longevity, and the mirror-polished bezel is flagged as a scratch magnet. The stock leather strap is also described as stiff. Overall, owners rate the Hamilton American Classic Day Date Auto highly for its attractive vintage styling and functional day-date complication at an accessible price.

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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