Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $650 for the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD) — a $401 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 38mm for the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD) — a 2mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 30m for the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD).

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD)?

The Helgray Poseidon Diver (Automatic) runs a automatic caliber (NH35 Warranty), while the Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD) runs a manual (Sellita SW210).

Side by side

Helgray Poseidon Diver (Automatic)vsCincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD)

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

Cincinnati Watch Company Union Terminal Mechanical Watch, Gold (PVD)

union-terminal-gold

MSRP $650

At a glance

19 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Union Terminal Mechanical Watch, Gold (PVD)38mm

Power Reserve

Poseidon Diver (Automatic)40h

Union Terminal Mechanical Watch, Gold (PVD)—

Water Resistance

Poseidon Diver (Automatic)300m

Union Terminal Mechanical Watch, Gold (PVD)30m

MSRP

Poseidon Diver (Automatic)$249

Union Terminal Mechanical Watch, Gold (PVD)$650

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

—

Dial Color

Black

Gold

Indices

Applied

—

Movement

5 specs

Caliber

NH35 Warranty

Sellita SW210

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$249

$650

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