Side by side

Bremont Supermarine 300MvsChristopher Ward C63 Sealander Rocks

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
C63 Sealander Rocks
Christopher WardC63 Sealander Rocks
MSRP $1,405

At a glance

16 of 29 specs differ
Diameter
Supermarine 300M40mm
C63 Sealander Rocks42.87mm
Power Reserve
Supermarine 300M40h
C63 Sealander Rocks38h
Water Resistance
Supermarine 300M300m
C63 Sealander Rocks150m
MSRP
Supermarine 300M$3,550
C63 Sealander Rocks$1,405

Full specifications

Case

8 specs
Category
Diver
Diameter
40mm
42.87mm
Thickness
12mm
11.05mm
Lug-to-Lug
42.87mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
300m
150m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Green
Yellow
Lume
None
SLN X1 BL C1

Movement

5 specs
Caliber
BE-92AE
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Moonphase, Day-date

Pricing

1 specs
MSRP
$3,550
$1,405

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What people say

Owners + reviewers, side by side

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

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

Christopher Ward C63 Sealander Rocks

The Christopher Ward C63 Sealander Rocks is praised for its exceptional wearability and versatile design, with its 36mm case noted as fitting well on smaller wrists. Owners highlight the unique gloss dial and refined indices as particularly special, contributing to a quality that exceeds its price point. One owner reported the crown movement was less smooth than higher-end options, and the Sellita SW200 movement's rotor can be a bit loud. The Consort bracelet is noted as lighter and more conforming than the Bader, though some prefer the Bader for robustness. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its comfortable wearability and refined dial aesthetics at its price.

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