Side by side

Sinn 903 St IIvsBeaufort Bicompax

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

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

20 of 29 specs differ
Diameter
903 St II41mm
Bicompax40.5mm
Power Reserve
903 St II60h
Bicompax63h
Water Resistance
903 St II200m
Bicompax50m
MSRP
903 St II$3,942
Bicompax$1,399

Full specifications

Case

8 specs
Category
Tool
Diameter
41mm
40.5mm
Thickness
14.5mm
13.8mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Finish
polished / satinized
Water Resistance
200m
50m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Dial Color
Black
Salmon
Indices
Lume
None
Super-LumiNova applied to the index and hands for low-light readability.

Movement

6 specs
Caliber
La Joux-Perret L110
Sellita SW510
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
60h
63h
Jewels
26
0
Complications
Date, Chronograph
None

Pricing

1 specs
MSRP
$3,942
$1,399
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 903 St II vs Beaufort Bicompax 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.