Side by side

Bremont Supermarine 300MvsOrient Helios

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Helios
OrientHelios
MSRP $335

At a glance

15 of 29 specs differ
Diameter
Supermarine 300M40mm
Helios40.5mm
Power Reserve
Supermarine 300M40h
Helios40h
Water Resistance
Supermarine 300M300m
Helios30m
MSRP
Supermarine 300M$3,550
Helios$335

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
40.5mm
Lug-to-Lug
47mm
Lug Width
20mm
21mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
30m
Caseback
Solid
Display

Crystal & Dial

4 specs
Crystal
Sapphire
Mineral
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

3 specs
Caliber
BE-92AE
FT622
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22

Pricing

1 specs
MSRP
$3,550
$335

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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.

Orient Helios

The Orient Helios is widely praised for its vibrant dial, open-heart design, and excellent value for money, with owners noting its great finish and quality that exceeds its price point. The watch is described as attractive and stylish, with a thin profile that wears comfortably, though some owners wish it were smaller. Accuracy figures vary, with one owner reporting it consistently runs 5-6 seconds fast per day, while another sees it at 1-2 seconds fast. Opinions are split on the inclusion of a date window, with some finding it desirable for practicality and aesthetic balance, while others prefer its absence. The stock bracelet receives mixed reviews, with one owner finding it awkward and upgrading to a strap, while another considers it nice with a smooth finish and solid links. Overall, owners rate the Orient Helios highly for its mesmerizing open-heart dial and impressive quality at an attainable price.

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