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Sinn 155 S Revolution II
Ref. 155 S Revolution II · Tool
Case
- Diameter
- 43mm
- Thickness
- 14.75mm
- Lug width
- 20mm
- Material
- Stainless Steel
- Finish
- bead-blasted
- Water resistance
- 100m
Crystal & dial
- Crystal
- Sapphire
- AR coating
- Underside
- Dial colour
- Black
- Lume
- Luminescent
Movement
- Caliber
- Sellita SW510
- Type
- Automatic
- Beat rate
- 28,800 vph
- Power reserve
- 48h
- Jewels
- 27
- Hacking
- No
- Hand-winding
- No
- Complications
- Chronograph, Pilot's Bezel
Sellita
Sellita's hand-wound chronograph caliber, the manual sibling of the automatic SW500 and compatible with the Valjoux/ETA 7750 layout, with the classic 12-6-9 subdial arrangement. It beats at 28,800 vph with roughly 48–62 hours of power reserve.
Design language
- Case shape
- round
- Dial style
- standard
- Sub-dials
- 2
- Bezel
- rotating_unidirectional
- Bracelet
- leather_strap
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The Sinn 155 S Revolution II is widely praised for its TEGIMENT-hardened, black PVD-coated stainless steel case and sapphire crystal, contributing to its durable tool watch identity. Reviewers note its legible bicompax dial with aged-look Super-LumiNova and a ghost-effect bezel, powered by a Sellita SW510 automatic chronograph movement. Owners report a slight misalignment in the 30-minute counter hand, which Sinn considers within tolerance. The watch's 43mm diameter and 51mm lug-to-lug measurement are considered large by some. Price points vary across sources, with one stating $3600 and another $2500 for this limited edition. On balance, owners and reviewers appreciate the Sinn 155 S Revolution II's robust build and vintage-inspired design, despite its substantial size and a minor hand alignment concern.
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