Heimdallr 41mm Automatic Diver H8vsSquale 1521 Classic COSC

41mm Automatic Diver H8
Heimdallr41mm Automatic Diver H8

Ref. 海米德-H8-3 - 黑面钢带- 615·MSRP $149

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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.

Heimdallr 41mm Automatic Diver H8 at true scale

41mm Automatic Diver H8

Squale 1521 Classic COSC at true scale

1521 Classic COSC

Diameter

41mm

42mm

Lug-to-Lug

n/a

48mm

Thickness

13.3mm

12.5mm

lowest

Water Resistance

200m

500m

highest

Power Reserve

n/a

38h

MSRP

$149

lowest

$1,965

Movement

Hangzhou 2565A

Sellita SW200-1

Case

5 specs
Diameter
41mm
42mm
Thickness
13.35mm
12.5mm
Lug-to-Lug
n/a
48mm
Material
Stainless Steel
Steel
Water Resistance
200m
500m

Crystal & Dial

3 specs
Crystal Shape
n/a
Flat
Dial Color
n/a
Black
Indices
n/a
Applied

Movement

2 specs
Caliber
Hangzhou 2565A
Sellita SW200-1
Power Reserve
0h
38h

Pricing

1 specs
MSRP
$149
$1,965
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Reviews

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

Heimdallr 41mm Automatic Diver H8

Owners widely praise the Heimdallr 41mm Automatic Dive Watch H8 for its attractive design, solid build quality, and good quality control. The winding action is noted as very smooth, and the movement is generally well-regulated, though one owner reports it running fast at 12-15 seconds per day. Some find the watch uncomfortable due to its weight and sharp edges. Overall, owners rate the Heimdallr 41mm Automatic Dive Watch H8 highly for its aesthetics and build quality at the price point.

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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