Side by side

Bremont Supermarine 300MvsChristopher Ward C1 Moonphase 40

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
C1 Moonphase 40
Christopher WardC1 Moonphase 40
MSRP $2,850

At a glance

13 of 29 specs differ
Diameter
Supermarine 300M40mm
C1 Moonphase 4040mm
Power Reserve
Supermarine 300M40h
C1 Moonphase 4038h
Water Resistance
Supermarine 300M300m
C1 Moonphase 4030m
MSRP
Supermarine 300M$3,550
C1 Moonphase 40$2,850

Full specifications

Case

5 specs
Category
Diver
Thickness
12mm
13.3mm
Lug-to-Lug
47.9mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
Dial Color
Green
Blue
Lume
None
SLN X1 WL C1

Movement

5 specs
Caliber
BE-92AE
SW220-1
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Moonphase

Pricing

1 specs
MSRP
$3,550
$2,850

Follow this matchup

Get a note when Bremont Supermarine 300M vs Christopher Ward C1 Moonphase 40 gets more votes, a community discussion, or a price drop. No account needed.

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 C1 Moonphase 40

Owners widely praise the Christopher Ward C1 Moonphase 40 for its stunning aventurine dial and prominent, lumed moon, with one owner calling it a 10/10 for moon display. However, the lack of dial indices and lumed hands makes time-telling difficult, and the seconds hand is considered largely meaningless for precise tracking. Accuracy averages +2.3 seconds per day with a 38-hour power reserve. On balance, owners view the Christopher Ward C1 Moonphase 40 as a showpiece dress watch for occasional wear, rather than a tool for precise timekeeping, due to its striking dial and moon complication.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.