Seiko Monster Automatic 200MvsSquale 1521 Classic COSC

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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.

Seiko Monster Automatic 200M at true scale

Monster Automatic 200M

Squale 1521 Classic COSC at true scale

1521 Classic COSC

Diameter

42mm

42mm

Lug-to-Lug

n/a

48mm

Thickness

n/a

12.5mm

Water Resistance

200m

500m

highest

Power Reserve

41h

highest

38h

MSRP

n/a

$1,965

Movement

Seiko 4R36

Sellita SW200-1

Case

7 specs
Thickness
n/a
12.5mm
Lug-to-Lug
n/a
48mm
Lug Width
n/a
20mm
Material
Stainless Steel
Steel
Finish
Brushed and Polished
n/a
Water Resistance
200m
500m
Caseback
Solid
n/a

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Dial Color
Orange
Black

Movement

4 specs
Caliber
Seiko 4R36
Sellita SW200-1
Beat Rate
21,600 vph
0 vph
Power Reserve
41h
38h
Jewels
24
0

Pricing

1 specs
MSRP
n/a
$1,965
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Reviews

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

Seiko Monster Automatic 200M

Owners widely praise the Seiko Monster Automatic 200M for its excellent Lumibrite, reliable performance, and comfortable wearability, with many considering it a bargain. Reviewers and owners alike highlight the watch's robust build and iconic design elements, such as the distinctive bezel grip. Some owners note the rubber strap can be stiff or long, and one owner reported minor time adjustments every few weeks over a decade of daily wear. Overall, owners and reviewers rate the Seiko Monster Automatic 200M highly for its exceptional value and enduring appeal.

Squale 1521 Classic COSC

Owners widely praise the Squale 1521 Classic COSC's well-proportioned 42mm case, with one reviewer calling it a masterclass in case design. The COSC certification is noted to improve accuracy, and the bezel indices are now fully lumed, a feature some owners find superior. The brushed case with polished chamfers is described as a significant and attractive aesthetic update. However, some owners prefer older bezel designs, and opinions on the lume are mixed, with one user finding it only "okay." One owner reported moisture ingress after a shower due to a loose case back on a new watch. The Squale 1521 Classic COSC is priced at CHF 1,475 and uses a Sellita SW200-1 movement. Overall, owners rate the Squale 1521 Classic COSC highly for its updated finishing and improved accuracy.

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