Which is cheaper, the Naga Watches Spire or the Seiko Astron?

At MSRP the Naga Watches Spire is the cheaper of the two at $853, against $2,500 for the Seiko Astron — a $1,647 gap before any retailer discounting.

Which is bigger, the Naga Watches Spire or the Seiko Astron?

The Seiko Astron wears larger at 42mm versus 39mm for the Naga Watches Spire — a 3mm difference across the dial.

Which has better water resistance, the Naga Watches Spire or the Seiko Astron?

The Naga Watches Spire is rated to 100m versus 10m for the Seiko Astron.

What movement does the Naga Watches Spire run compared to the Seiko Astron?

The Naga Watches Spire runs a automatic caliber (Miyota 9039), while the Seiko Astron runs a quartz (5X83).

Side by side

Naga Watches SpirevsSeiko Astron

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

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Naga Watches Spire

naga-n-0109sw-silver-whitepre-order

MSRP $853

Seiko Astron

ssh159j1

MSRP $2,500

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At a glance

14 of 29 specs differ

Diameter

Spire39mm

Astron42mm

Power Reserve

Spire—

Astron40h

Water Resistance

Spire100m

Astron100m

MSRP

Spire$853

Astron$2,500

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

Dial Color

White

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Miyota 9039

5X83

Type

Automatic

Quartz

Power Reserve

—

40h

Jewels

Pricing

1 specs

MSRP

—

$2,500

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Naga Watches SpirevsSeiko Astron

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