Seiko MOD - Datejust 36/40mm Steel BLUE Dial

€469,00 EUR

Watch technical specifications

Case:

316L stainless steel case, 36/40 mm diameter, 11.9 mm thickness.

Bracelet:

Choice of: Small link Jubilee or 316L stainless steel rivet-style bracelet.
Equipped with a quick micro-adjustment deployant clasp, allowing precise length adjustment without tools.

Glass:

Multi-layer anti-reflective sapphire crystal, guaranteeing optimal transparency and excellent scratch resistance.

Hands:

Mercedes-style hands, with hand-applied C1 coating (green emission).

Dial:

Blue dial, with hand-applied indices, also coated with C1 luminescence (green emission), ensuring ideal visibility even in low light.

Bezel:

Choice of bezel: fluted, smooth, or domed.

Case back:

Available in:
Solid (brushed 316L steel)
Transparent sapphire, allowing admiration of the automatic movement.

Crown:

Screw-down crown with a triple sealing system (gasket, tube, and reinforced thread), ensuring maximum protection against moisture and pressure.

Movement:

SEIKO NH35A automatic caliber (Japan origin).
Complications: date, manual winding, hacking seconds.
Each movement is relubricated, regulated, and calibrated according to the N.A Timekeeping protocol for an accuracy of –4 / +5 sec/day (vs –30 / +90 sec ex-factory).

Oscillating weight:

Multi-block oscillating weight (brass + tungsten), optimized for efficient winding.
Available finishes: steel, yellow gold, or rose gold.

Water resistance:

Certified 100 m (10 ATM).
Each watch undergoes a double water resistance test, the results of which are provided with the piece.

Warranty:

3-year international warranty, with round-trip shipping covered.
Each watch comes with its personalized warranty card (serial number + assembly date).

Customization:

All elements are configurable: bracelet, hands, bezel, dial, etc.
Personalized engraving possible (text, logo, initials).
For specific requests, contact the workshop at +33 6 07 35 93 15

3 interest-free payments available - Contact us to take advantage of this offer!

What does your N.A TIMEKEEPING watch come with?

  • Leather box containing your N.A TIMEKEEPING watch
  • Additional leather travel pouch.
  • Genuine leather card holder containing your 3-year warranty card with serial number and reference.
  • 3-year warranty card with your watch's serial number and reference
  • Chronometric report on 5 positions printed on paper.
  • Greiner Leak checker PRIME© waterproofness report printed on paper.
  • Tools to adjust the size of your watch depending on the type of strap you have (screwdriver/fork)
  • Detailed user manual on the operation of your movement
  • N.A TIMEKEEPING microfiber cloth
  • Certificate of Authenticity for SEIKO movement, origin JAPAN

Motion graphics option

Decoration worthy of the greatest watchmakers, meticulously handcrafted and visible on the back of your case.

discover the tk-1 movement decoration

Assembled in Paris by a true watchmaker

A Parisian workshop open to the public, which, unlike some, has nothing to hide. Each watch is assembled according to the strictest standards, following rigorous processes and controls. Our commitment to the quality of the timepieces that leave our workshop is as strong as our passion for sharing our expertise with you

Our expertise

Got a question? We've got the answer!

You might also like

Recently seen