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> Tangomat > Tangomat Ref. 641
Brand
NOMOS
Reference Number
Tangomat Ref. 641
Mechanism
Manually Wound
Collection
Tangomat
Case Material
Stainless Steel
Function
Hours, Minutes, Seconds
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Tangomat Ref 641

A handshake is all you need to wind your watch: Tangente’s larger, more robust brother ticks automatically. This multiple prizewinning watch quickly became a classic as well—and is the perfect fit for larger wrists. Its caliber raised NOMOS Glashütte to the status of a caliber manufacturer and, since then, has ensured outstanding accuracy. 
At first glance, almost impossible to distinguish from Tangente: Tangomat viewed from above. 
Clear lines, angular form—all the way to the lugs, which are a tick more present on the wrist than those of Tangente. 
The tempered blue hands tell the time with beautiful precision—and are created by heating stainless steel to 290°C until it turns cornflower blue.


Case:
stainless steel;stainless steel back; diameter 38.3 mm; sapphire crystal glass back, height 8.3 mm; fixed with six screws

Dial:
galvanized, white silver-plated

Hands:
steel, tempered blue

Strap:
Horween Genuine Shell Cordovan black, lug width 20 mm

Water-resistant:
to 3 atm

Reference number:
601
Movement

ε (Epsilon)—in-house built NOMOS caliber with automatic winding

Diameter:
13 ¾ lines (31 mm)

Movement height:
4.3 mm

Power reserve:
approx. 43 hours

Characteristics:
Decentralized seconds, stop-seconds mechanism, Glashütte three-quarter plate, 26 rubies, Glashütte stopwork, bidirectional winding rotor, Incabloc shock protection, balance spring from Nivarox 1A, adjusted in six positions, tempered blue screws, rhodium-plated movement surfaces with Glashütte ribbing and NOMOS perlage, ratchet and duplex wheel with Glashütte sunburst