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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.
1 Variant
Lume:Luminescent
Retail MSRP
$4,741
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Avg
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Static data
Case
44mm
Power Reserve
48h
Movement
Automatic
Water Resistance
100m
01
Case Dimensions
Diameter44mm
Thickness15mm
Lug-to-Lug—
Lug Width22mm
02
Case Build
MaterialStainless Steel
Finishblack
Water Resistance100m
03
Crystal & Dial
CrystalSapphire
AR CoatingUnderside
Dial Colorblack
LumeLuminescent
04
Movement
Caliber
TypeAutomatic
Beat Rate28,800 vph (4.0Hz)
Power Reserve48 hours
Jewels28
HackingNo
Hand-WindingNo
ComplicationsDate, Chronograph, Pilot's Bezel
In a nutshell
The Sinn 140 St S (ref. 140 St S) is an automatic tool watch, with a 44mm stainless steel case, 15mm thick, powered by the SINN Movement SZ01 movement and a 48-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal, with date, chronograph, pilot's bezel complications. Manufacturer MSRP is $4,957.