Alcadus Watches Quantra GemstonevsSeiko Presage Cocktail Time

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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.

Alcadus Watches Quantra Gemstone at true scale

Quantra Gemstone

Seiko Presage Cocktail Time at true scale

Presage Cocktail Time

Diameter

36mm

30.3mm

Lug-to-Lug

44mm

37mm

lowest

Thickness

10.5mm

lowest

10.9mm

Water Resistance

50m

50m

Power Reserve

42h

highest

40h

MSRP

$815

$575

lowest

Movement

Caliber 5100A

Seiko 2R05

Case

5 specs
Category
n/a
Dress
Diameter
36mm
30.3mm
Thickness
10.5mm
10.9mm
Lug-to-Lug
44mm
37mm
Lug Width
20mm
14mm

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
n/a
Box
AR Coating
Yes
n/a
Dial Color
n/a
n/a

Movement

3 specs
Caliber
Caliber 5100A
Seiko 2R05
Power Reserve
42h
40h
Jewels
0
21

Pricing

1 specs
MSRP
$815
$575
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Reviews

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

Alcadus Watches Quantra Gemstone

Owners widely praise the Alcadus Watches Quantra Gemstone for its 36mm size, sapphire crystal, and attractive micro-rotor movement. Reviewers highlight its refined, minimalist design with excellent case finishing, featuring sandblasted and polished surfaces, and a competitive $635 price point. Some owners appreciate the movement's decoration and regulation to +/-7 seconds per day, though hacking seconds are absent. The included straps are initially stiff, and the blued hands can appear black in certain lighting. Overall, owners and reviewers rate the Alcadus Watches Quantra Gemstone highly for its sophisticated design and micro-rotor movement at an accessible price.

Seiko Presage Cocktail Time

Owners widely praise the Seiko Presage Cocktail Time for its stunning dials and exceptional value, with some feeling it competes with watches costing three times as much. However, some owners flag potential legibility issues due to dial patterns and hands, and note the use of Hardlex instead of sapphire crystal. One owner describes the case as big, round, and somewhat uninspired. Overall, owners rate the Seiko Presage Cocktail Time highly for its stunning dials and exceptional value.