Which is bigger, the Chronotechna SeaQuest Dive or the Grand Seiko SBGH349?

The Chronotechna SeaQuest Dive wears larger at 42mm versus 40mm for the Grand Seiko SBGH349 — a 2mm difference across the dial.

Which has better water resistance, the Chronotechna SeaQuest Dive or the Grand Seiko SBGH349?

The Chronotechna SeaQuest Dive is rated to 300m versus 100m for the Grand Seiko SBGH349.

Which has a longer power reserve, the Chronotechna SeaQuest Dive or the Grand Seiko SBGH349?

The Grand Seiko SBGH349 carries a 55-hour power reserve against 41 hours on the Chronotechna SeaQuest Dive.

What movement does the Chronotechna SeaQuest Dive run compared to the Grand Seiko SBGH349?

Both watches run automatic movements — the Chronotechna SeaQuest Dive uses the Sellita SW200-1 and the Grand Seiko SBGH349 uses the 9S85.

Side by side

Chronotechna SeaQuest DivevsGrand Seiko SBGH349

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

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Chronotechna SeaQuest Dive

seaquest-dive-all-black-cosc

Grand Seiko SBGH349

sbgh349g

MSRP $7,800

Buy from Chronotechna ↗

Buy used on eBay ↗

Buy from Grand Seiko ↗

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At a glance

12 of 29 specs differ

Diameter

SeaQuest Dive42mm

SBGH34940mm

Power Reserve

SeaQuest Dive41h

SBGH34955h

Water Resistance

SeaQuest Dive300m

SBGH349100m

MSRP

SeaQuest Dive—

SBGH349$7,800

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

SLN Dark Grey X1 Grade

None

Movement

2 specs

Caliber

Sellita SW200-1

9S85

Power Reserve

41h

55h

Pricing

1 specs

MSRP

—

$7,800

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Chronotechna SeaQuest DivevsGrand Seiko SBGH349

At a glance

Full specifications

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