Side by side

Naga Watches SpirevsGrand Seiko STGF387

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

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Spire
Naga WatchesSpire
MSRP $853
STGF387
Grand SeikoSTGF387
MSRP $4,200
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Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Spire39mm
STGF38726mm
Power Reserve
Spire—
STGF38740h
Water Resistance
Spire100m
STGF387100m
MSRP
Spire$853
STGF387$4,200

Full specifications

Case

5 specs
Category
—
Dress
Diameter
39mm
26mm
Thickness
9.9mm
8.1mm
Lug-to-Lug
—
32.9mm
Lug Width
—
13mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

3 specs
Caliber
Miyota 9039
4J51
Type
Automatic
Quartz
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$4,200
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