Which is cheaper, the Grand Seiko STGK003 or the NOMOS Glashütte Tangomat ruthenium?

At MSRP the NOMOS Glashütte Tangomat ruthenium is the cheaper of the two at $3,700, against $31,200 for the Grand Seiko STGK003 — a $27,500 gap before any retailer discounting.

Which is bigger, the Grand Seiko STGK003 or the NOMOS Glashütte Tangomat ruthenium?

The NOMOS Glashütte Tangomat ruthenium wears larger at 38.3mm versus 28.7mm for the Grand Seiko STGK003 — a 9.6mm difference across the dial.

Which has better water resistance, the Grand Seiko STGK003 or the NOMOS Glashütte Tangomat ruthenium?

The Grand Seiko STGK003 is rated to 100m versus 30m for the NOMOS Glashütte Tangomat ruthenium.

Which has a longer power reserve, the Grand Seiko STGK003 or the NOMOS Glashütte Tangomat ruthenium?

The NOMOS Glashütte Tangomat ruthenium carries a 43 hours-hour power reserve against 50 hours on the Grand Seiko STGK003.

What movement does the Grand Seiko STGK003 run compared to the NOMOS Glashütte Tangomat ruthenium?

Both watches run automatic movements — the Grand Seiko STGK003 uses the 9S27 and the NOMOS Glashütte Tangomat ruthenium uses the DUW 5001.

Side by side

Grand Seiko STGK003vsNOMOS Glashütte Tangomat ruthenium

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Grand Seiko STGK003

stgk003j

MSRP $31,200

NOMOS Glashütte Tangomat ruthenium

603

MSRP $3,700

At a glance

16 of 29 specs differ

Diameter

STGK00328.7mm

Tangomat ruthenium38.3mm

Power Reserve

STGK00350h

Tangomat ruthenium43 hoursh

Water Resistance

STGK003100m

Tangomat ruthenium30m

MSRP

STGK003$31,200

Tangomat ruthenium$3,700

Full specifications

Case

8 specs

Diameter

28.7mm

38.3mm

Thickness

10.9mm

8.3mm

Lug-to-Lug

35.1mm

48mm

Lug Width

14mm

20mm

Material

Gold

Stainless Steel

Finish

Brushed and polished

—

Water Resistance

100m

30m

Caseback

Solid

—

Crystal & Dial

3 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Indices

Applied

—

Movement

4 specs

Caliber

9S27

DUW 5001

Beat Rate

28,800 vph

21,600 vph

Power Reserve

50h

43 hoursh

Jewels

Pricing

1 specs

MSRP

$31,200

$3,700

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