Certina DS-1 Big Date Powermatic 80vsHamilton American Classic Valiant Auto

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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.

Certina DS-1 Big Date Powermatic 80 at true scale

DS-1 Big Date Powermatic 80

Hamilton American Classic Valiant Auto at true scale

American Classic Valiant Auto

Diameter

41mm

34mm

Lug-to-Lug

48.8mm

n/a

Thickness

10.3mm

lowest

10.6mm

Water Resistance

100m

highest

50m

Power Reserve

80h

80h

MSRP

$1,187

$645

lowest

Movement

POWERMATIC 80.651

Hamilton H-10

Case

6 specs
Category
n/a
Dress
Diameter
41mm
34mm
Thickness
10.33mm
10.58mm
Lug-to-Lug
48.84mm
n/a
Lug Width
20mm
16mm
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
n/a
Silver

Movement

1 specs
Caliber
POWERMATIC 80.651
Hamilton H-10

Pricing

1 specs
MSRP
$1,187
$645
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Reviews

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

Certina DS-1 Big Date Powermatic 80

Owners widely praise the Certina DS-1 Big Date Powermatic 80 for its elegant and versatile design, comfortable wearability, and excellent value, with many appreciating its 80-hour power reserve and robust build. Reviewers and owners alike highlight the watch's stylish appearance, with specific praise for its sunray dials and overall quality for the price. Some owners note the 41mm case can wear larger than expected due to a thin bezel, and a few find the lugs long for its case size, while one reviewer criticizes the white date window background for not blending seamlessly with the dial. On balance, owners and reviewers rate the Certina DS-1 Big Date Powermatic 80 highly for its blend of elegant design, practical features, and exceptional value.

Hamilton American Classic Valiant Auto

Owners praise the Hamilton American Classic Valiant Auto for its classic design, citing the sunburst dial, Roman numerals, and applied indices as attractive features. The watch is noted for its elegance and ability to fit comfortably under a shirt cuff, with some owners considering it a "hidden gem." Accuracy varies, with one owner reporting +6 seconds per day after ten years of intermittent use without servicing. The OEM bracelet is considered high-quality for the brand, and it can be swapped out. On balance, owners rate the Hamilton American Classic Valiant Auto highly for its elegant dress watch aesthetic and quality bracelet at its price point.