Horological Meandering

SJX
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Announcing the new Sinn U Black Limited Edition!

NB: The watch pictured is a prototype, the final production version will have a matching grey/black date wheel.

T e c h n i c a l I n f o r m a t i o n

Model U Black - The Robust Diver’s Watch Made of Submarine Steel

The Hour Glass Limited Edition 399 pieces

Movement:

- ETA 2824-2

- Mechanical movement

- Automatic winding

- 25 jewels

- 28,800 semi-oscillations per hour

- Shock-resistant according to DIN 8308

- Anti-magnetic according to DIN 8309

Functions:

- Hours, minutes, sweep seconds with stop-seconds

- Date at 3 o’clock

- Diver’s rotating bezel with luminous triangle

Case:

- Model U Black with black hard coating

- Back case engraved with “U Black The Hour Glass Limited 399”

- According to technical demands of diver’s norm DIN 8306

- Submarine steel, pearl-polished, seawater resistant

- Unremovable diver’s rotating bezel hardened to 1,500 HV

- Flat sapphire crystal on the front, anti-reflective on both sides

- Screwed-down case back made of submarine steel (inscriptions in German)

- Screwed-in crown with two gaskets in series

- Water-resistant according to DIN 8310

- Pressure-proof to 100 bar (=1000 m water depth)

- Safe below atmospheric pressure

Measurements:

- ∅: 44 mm

- Height at mid-watch: 14,3 mm

- Lug width: 22 mm

Dial:

- Black, markers inlaid with grey long-luminous special paint

- Grey date display at 3 o’clock

Hands:

- Grey hour and minute hands inlaid with long-luminous special paint

- Grey sweep second hand

Strap: - Silicone rubber strap

Guarantee: - 2 years

Here is the U Black with the Tempus U1: