Side by side

Bremont Supermarine 300MvsPraesidus Service Watch

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Service Watch
PraesidusService Watch
MSRP $259

At a glance

7 of 29 specs differ
Diameter
Supermarine 300M40mm
Service Watch42mm
Power Reserve
Supermarine 300M40h
Service Watch40h
Water Resistance
Supermarine 300M300m
Service Watch100m
MSRP
Supermarine 300M$3,550
Service Watch$259

Full specifications

Case

5 specs
Category
Diver
Field
Diameter
40mm
42mm
Thickness
12mm
Material
904L Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Movement

1 specs
Caliber
BE-92AE
Seiko NH35

Pricing

1 specs
MSRP
$3,550
$259

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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.

Praesidus Service Watch

Owners widely praise the Praesidus Service Watch for its 38mm size and solid build quality, with the domed crystal providing vintage distortion and the unbranded dial appealing to history enthusiasts. However, owners report jumpy hand sensitivity when setting the time. One owner experienced a scratchy crown and a noisy rotor on their DD-45, which persisted after warranty service and eventually led to the crown locking mid-way. Concerns about slow customer service and a negative reputation for Praesidus's support are also noted by owners. On balance, owners appreciate the vintage aesthetic and wearability of the Praesidus Service Watch, though persistent customer service issues temper enthusiasm.

From video reviewers

The 38mm case size is a strength for those preferring smaller watches. The dial may show slight discoloration or unevenness in finish.

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