Side by side

Sinn 140 St SvsBremont Altitude Chronograph

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

140 St S
Sinn140 St S
MSRP $4,957
Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 140 St S

The Sinn 140 St S is praised for its functional tool watch design and space-flight heritage, incorporating a central chronograph minute hand and Ar-Dehumidifying Technology. Owners note the Tegimented hardened case and bracelet offer durability, with one reporting excellent condition despite minor marks. The 44mm size is considered wearable, though the SZ01 movement, based on the ETA 7750, has a rotor wobble that may not appeal to all. Overall, owners and reviewers value the Sinn 140 St S for its robust build and historical connection.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

At a glance

17 of 29 specs differ
Diameter
140 St S44mm
Altitude Chronograph42mm
Power Reserve
140 St S48h
Altitude Chronograph40h
Water Resistance
140 St S100m
Altitude Chronograph100m
MSRP
140 St S$4,957
Altitude Chronograph$6,300

Full specifications

Case

7 specs
Category
Tool
Chronograph
Diameter
44mm
42mm
Thickness
15mm
14.7mm
Lug Width
22mm
14.7mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Finish
black
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
SINN Movement SZ01
BE-50AE
Power Reserve
48h
40h
Jewels
28
25
Complications
Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,957
$6,300
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.

Follow this matchup

Get a note when Sinn 140 St S vs Bremont Altitude Chronograph gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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