Side by side

Bremont Supermarine 300MvsTissot Le Locle Open Heart

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Le Locle Open Heart
TissotLe Locle Open Heart
MSRP $995

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Le Locle Open Heart39.3mm
Power Reserve
Supermarine 300M40h
Le Locle Open Heart80h
Water Resistance
Supermarine 300M300m
Le Locle Open Heart30m
MSRP
Supermarine 300M$3,550
Le Locle Open Heart$995

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
39.3mm
Thickness
12mm
9.75mm
Lug-to-Lug
39.3mm
Lug Width
20mm
19mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
Dial Color
Green
Silver
Indices
Applied
Roman

Movement

2 specs
Caliber
BE-92AE
11 1/2'''
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$3,550
$995

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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.

Tissot Le Locle Open Heart

Owners widely praise the Tissot Le Locle Open Heart for its elegant aesthetic, featuring a guilloché dial and Roman numerals, and appreciate its practical 80-hour power reserve and Nivachron hairspring. The watch is also noted for offering dual bracelet and strap options, along with a see-through case back. However, one owner flags negative community feedback regarding the comfort of the synthetic leather strap. Overall, owners rate the Tissot Le Locle Open Heart highly for its attractive design and impressive technical specifications at its price point.

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