Side by side

Sinn 900 DIAPALvsBremont Altitude Chronograph

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

900 DIAPAL
Sinn900 DIAPAL
MSRP $5,000
Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300

At a glance

17 of 29 specs differ
Diameter
900 DIAPAL44mm
Altitude Chronograph42mm
Power Reserve
900 DIAPAL42h
Altitude Chronograph40h
Water Resistance
900 DIAPAL200m
Altitude Chronograph100m
MSRP
900 DIAPAL$5,000
Altitude Chronograph$6,300

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
44mm
42mm
Thickness
15.5mm
14.7mm
Lug Width
22mm
14.7mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Finish
satinized
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Silver
Lume
Luminescent
None

Movement

4 specs
Caliber
LJP L120
BE-50AE
Power Reserve
42h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$5,000
$6,300

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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.

Sinn 900 DIAPAL

Owners praise the Sinn 900 DIAPAL for its 24-hour GMT hand and Sinn's proprietary technologies including the TEGIMENT case, AR dehumidification, and copper phosphate tablet. The internal rotating bezel is noted as very easy to turn but prone to being knocked out of position, making it unreliable for elapsed time. Some owners find the large dial contributes to an illusion of a bigger watch. On balance, owners value the Sinn 900 DIAPAL for its advanced proprietary technologies and GMT functionality.

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.

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