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NOMOS Glashütte Tetra Kleene (492)


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It may have the same measurements as Goldelse, Clärchen, and Nachtijall, but this watch in the quartet is the Kleene (Berlin dialect for ‘little one’)—and still knows how to assert itself. With a turquoise dial and golden hands, it’s always a tick ahead of its times. And thanks to its DUW 4301 caliber, does so with Glashütte exactness and with a beautifully practical power reserve indicator in gold.


With an eye-catching turquoise dial and the hand-wound caliber DUW 4301, Tetra Kleene always a tick ahead of its times. But it will always keep its wearer on time—as the golden power reserve indicator shows when to wind the watch. Its inner values are not to be overlooked: The hand-wound NOMOS caliber DUW 4301 ticks tirelessly in three-quarter intervals.

Gold squared: Kleene’s hands are gold-plated (which reveals its membership of the Berlin set).

The NOMOS logo is making space and moving to the side—for the power reserve indicator.

At the heart of this watch, the NOMOS caliber DUW 4301 is at work—creating a beautiful profile when viewed from the side.

Specification & Warranty


Case: stainless steel, bipartite; sapphire crystal glass; size 29.5 mm by 29.5 mm; sapphire crystal glass back, height 6.5 mm; fixed with four screws

Weight36.0 g 

Dial: lacquered, power reserve indicator gold-plated

Hands: gold-plated

Strap: velour leather gray, lug width 18 mm

Water resistant: Up to 3 atm

DUW 4301—in-house built NOMOS caliber with manual winding and power reserve indicator; NOMOS swing system with tempered blue balance spring. (DUW stands for NOMOS Glashütte Deutsche Uhrenwerke.)

Diameter: 10 ½ lines (23.3 mm)

Movement height: 2.8 mm

Power reserve: approx. 43 hours

Characteristics: Decentralized seconds, patented power reserve indicator, stop-seconds mechanism, Glashütte three-quarter plate, 17 jewels, Glashütte stopwork, Incabloc shock protection, adjusted in six positions, tempered blue screws, rhodium-plated movement surfaces with Glashütte ribbing and NOMOS perlage, ratchet and crown wheel with Glashütte sunburst


2-year world-wide warranty

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