Side by side

Bremont Supermarine 300MvsChristopher Ward C60 Atoll 300

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
C60 Atoll 300
Christopher WardC60 Atoll 300
MSRP $1,320

At a glance

14 of 29 specs differ
Diameter
Supermarine 300M40mm
C60 Atoll 30047.4mm
Power Reserve
Supermarine 300M40h
C60 Atoll 30038h
Water Resistance
Supermarine 300M300m
C60 Atoll 300300m
MSRP
Supermarine 300M$3,550
C60 Atoll 300$1,320

Full specifications

Case

6 specs
Diameter
40mm
47.4mm
Thickness
12mm
11.3mm
Lug-to-Lug
47.4mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Green
Blue
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, Date

Pricing

1 specs
MSRP
$3,550
$1,320

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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 C60 Atoll 300

Owners widely praise the Christopher Ward C60 Atoll 300 for its superb fit and finish, with its "light catcher" case described as jewelry-like and its dial as beautiful and well-coordinated with the strap. The Sellita SW200-1 movement is noted for running near COSC standards, though one owner reports accuracy around -6 seconds per day while another notes +1/+2 seconds per day. Some users desire a larger 42mm size option. On balance, owners rate the Christopher Ward C60 Atoll 300 highly for its exceptional case finishing and dial aesthetics at its price point.

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