Side by side

Sinn 856 S UTCvsBremont Supermarine 300M

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

856 S UTC
Sinn856 S UTC
MSRP $2,938
Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

15 of 29 specs differ
Diameter
856 S UTC40mm
Supermarine 300M40mm
Power Reserve
856 S UTC38h
Supermarine 300M40h
Water Resistance
856 S UTC200m
Supermarine 300M300m
MSRP
856 S UTC$2,938
Supermarine 300M$3,550

Full specifications

Case

6 specs
Category
Tool
Diver
Thickness
11mm
12mm
Material
Stainless Steel
904L Stainless Steel
Finish
black
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Green
Indices
Applied
Lume
Luminescent
None

Movement

3 specs
Caliber
SW 330-1
BE-92AE
Power Reserve
38h
40h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,938
$3,550

Follow this matchup

Get a note when Sinn 856 S UTC vs Bremont Supermarine 300M 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.

Sinn 856 S UTC

Owners widely praise the Sinn 856 S UTC for its legibility, robust build, and versatile wearability as an everyday and business-casual timepiece. The watch is frequently chosen for its adventurous UTC functionality and durability features, including tegimentation, anti-magnetism, and humidity protection, making it suitable for frequent travel. One owner reports accuracy of approximately -10 seconds per day. On balance, owners rate the Sinn 856 S UTC highly for its practical functionality and rugged construction.

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.

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.