Which is cheaper, the Grand Seiko STGK007 or the Yema Navygraf Heritage?

At MSRP the Yema Navygraf Heritage is the cheaper of the two at $990, against $6,200 for the Grand Seiko STGK007 — a $5,210 gap before any retailer discounting.

Which is bigger, the Grand Seiko STGK007 or the Yema Navygraf Heritage?

The Yema Navygraf Heritage wears larger at 39mm versus 27.8mm for the Grand Seiko STGK007 — a 11.2mm difference across the dial.

Which has a longer power reserve, the Grand Seiko STGK007 or the Yema Navygraf Heritage?

The Grand Seiko STGK007 carries a 50-hour power reserve against 40 hours on the Yema Navygraf Heritage.

What movement does the Grand Seiko STGK007 run compared to the Yema Navygraf Heritage?

Both watches run automatic movements — the Grand Seiko STGK007 uses the 9S27 and the Yema Navygraf Heritage uses the Sellita SW200.

Side by side

Grand Seiko STGK007vsYema Navygraf Heritage

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

Grand Seiko STGK007

stgk007g

MSRP $6,200

Yema Navygraf Heritage

yema-navygraf-heritage-ynav25-am

MSRP $990

At a glance

10 of 29 specs differ

Diameter

STGK00727.8mm

Navygraf Heritage39mm

Power Reserve

STGK00750h

Navygraf Heritage40h

Water Resistance

STGK007100m

Navygraf Heritage100m

MSRP

STGK007$6,200

Navygraf Heritage$990

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

2 specs

Caliber

9S27

Sellita SW200

Power Reserve

50h

40h

Pricing

1 specs

MSRP

$6,200

$990

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Grand Seiko STGK007vsYema Navygraf Heritage

At a glance

Full specifications

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