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The Sinn 240 St GZ is praised for its highly legible, contrasting dial and bead-blasted stainless steel case, which benefits from Sinn's hardening treatment. Owners note the crystal is perfect, and the Tegimented PVD bracelet is in near-new condition. However, reviewers flag the inner rotating bezel as slightly wobbly and rattly, and the Sellita SW220-1 movement is described as coarse with rough winding. On balance, owners and reviewers appreciate the Sinn 240 St GZ for its excellent dial legibility and robust case finishing.
2 Variants
Lume:Luminescent
Retail MSRP
$2,311
Low
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Avg
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High
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Static data
Case
43mm
Power Reserve
38h
Movement
Automatic
Water Resistance
100m
01
Case Dimensions
Diameter43mm
Thickness11mm
Lug-to-Lug—
Lug Width22mm
02
Case Build
MaterialStainless Steel
Finishbead-blasted
Water Resistance100m
03
Crystal & Dial
CrystalSapphire
AR CoatingUnderside
Dial Colorblue
LumeLuminescent
04
Movement
Caliber
TypeAutomatic
Beat Rate28,800 vph (4.0Hz)
Power Reserve38 hours
Jewels26
HackingNo
Hand-WindingNo
ComplicationsDate, Day-Date
In a nutshell
The Sinn 240 St GZ (ref. 240 St GZ) is an automatic tool watch, with a 43mm stainless steel case, 11mm thick, powered by the SW 220-1 movement and a 38-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal, with date, day-date complications. Manufacturer MSRP is $2,311. The dial color is blue.