Side by side

Hamilton American Classic Valiant AutovsGrand Seiko SLGW003

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

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 Valiant Auto

Owners widely praise the Hamilton American Classic Valiant Auto for its classic design elements, such as the sunburst dial and Roman numerals, noting its suitability for everyday elegance and wearability under a cuff. One owner highlights the 39.5mm size and applied indices as a "hidden gem," while another appreciates the clean, simple design with thin Roman numerals. The watch is also commended for its comfortable bracelet and attractive lance hands, with confirmation that the bracelet is indeed changeable. Some owners note the date window's placement at three o'clock is a point of contention, and one owner reports the watch runs at approximately +6 seconds per day after ten years of intermittent use. On balance, owners rate the Hamilton American Classic Valiant Auto highly for its elegant, classic design and comfortable wearability at its price point.

Grand Seiko SLGW003

The Grand Seiko SLGW003 is praised for its comfortable, lightweight Brilliant Hard Titanium case, meticulous finishing, and a clean, modern dial. Reviewers highlight the new 9SA4 manual-wind movement, noting its attractive finishing, 80-hour power reserve, and accuracy of -3/+5 seconds per day. It is considered a versatile dress watch blending vintage and future Grand Seiko spirit. The €11,700 price is noted as expensive, with some questioning its value. Overall, reviewers rate the Grand Seiko SLGW003 highly for its elegant design and impressive manual-wind movement at its flagship price point.

From video reviewers

The slim profile of the Evolution 9 case is a key strength. Water resistance is a weakness, with figures of 50 meters and 30 meters cited. Reviewers disagree on whether the manual-wind Hi-Beat movement is a rarity or a notable addition.

At a glance

11 of 29 specs differ
Diameter
American Classic Valiant Auto34mm
SLGW00338.6mm
Power Reserve
American Classic Valiant Auto80h
SLGW00380h
Water Resistance
American Classic Valiant Auto50m
SLGW00330m
MSRP
American Classic Valiant Auto$645
SLGW003$11,600

Full specifications

Case

6 specs
Diameter
34mm
38.6mm
Thickness
10.58mm
9.95mm
Lug-to-Lug
0mm
45mm
Lug Width
16mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
50m
30m

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Silver

Movement

2 specs
Caliber
H-10
9SA4
Type
Automatic
Manual

Pricing

1 specs
MSRP
$645
$11,600
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