Which is cheaper, the Grand Seiko SBGW306 or the NOMOS Glashütte Tangomat ruthenium?

At MSRP the NOMOS Glashütte Tangomat ruthenium is the cheaper of the two at $3,700, against $17,900 for the Grand Seiko SBGW306 — a $14,200 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGW306 or the NOMOS Glashütte Tangomat ruthenium?

The NOMOS Glashütte Tangomat ruthenium wears larger at 38.3mm versus 36.5mm for the Grand Seiko SBGW306 — a 1.8mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGW306 or the NOMOS Glashütte Tangomat ruthenium?

The Grand Seiko SBGW306 is rated to 100m versus 30m for the NOMOS Glashütte Tangomat ruthenium.

Which has a longer power reserve, the Grand Seiko SBGW306 or the NOMOS Glashütte Tangomat ruthenium?

The NOMOS Glashütte Tangomat ruthenium carries a 43 hours-hour power reserve against 72 hours on the Grand Seiko SBGW306.

What movement does the Grand Seiko SBGW306 run compared to the NOMOS Glashütte Tangomat ruthenium?

The Grand Seiko SBGW306 runs a manual caliber (9S64), while the NOMOS Glashütte Tangomat ruthenium runs a automatic (DUW 5001).

Side by side

Grand Seiko SBGW306vsNOMOS Glashütte Tangomat ruthenium

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

Grand Seiko SBGW306

sbgw306j

MSRP $17,900

NOMOS Glashütte Tangomat ruthenium

603

MSRP $3,700

At a glance

17 of 29 specs differ

Diameter

SBGW30636.5mm

Tangomat ruthenium38.3mm

Power Reserve

SBGW30672h

Tangomat ruthenium43 hoursh

Water Resistance

SBGW306100m

Tangomat ruthenium30m

MSRP

SBGW306$17,900

Tangomat ruthenium$3,700

Full specifications

Case

8 specs

Diameter

36.5mm

38.3mm

Thickness

11.7mm

8.3mm

Lug-to-Lug

42.7mm

48mm

Lug Width

18mm

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

5 specs

Caliber

9S64

DUW 5001

Type

Manual

Automatic

Beat Rate

28,800 vph

21,600 vph

Power Reserve

72h

43 hoursh

Jewels

Pricing

1 specs

MSRP

$17,900

$3,700

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