Side by side

Hamilton American Classic Valiant AutovsGrand Seiko SLGW005

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 SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

At a glance

10 of 29 specs differ
Diameter
American Classic Valiant Auto34mm
SLGW00538.8mm
Power Reserve
American Classic Valiant Auto80h
SLGW00580h
Water Resistance
American Classic Valiant Auto50m
SLGW00530m
MSRP
American Classic Valiant Auto$645
SLGW005$9,700

Full specifications

Case

5 specs
Diameter
34mm
38.8mm
Thickness
10.58mm
10.4mm
Lug-to-Lug
0mm
43.7mm
Lug Width
16mm
19mm
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
$9,700
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