Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seestern S446 GMT?

At MSRP the Seestern S446 GMT is the cheaper of the two at $299, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,706 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seestern S446 GMT?

The Seestern S446 GMT wears larger at 39.5mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 0.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Seestern S446 GMT?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Seestern S446 GMT.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seestern S446 GMT?

The Seestern S446 GMT carries a 41h-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Seestern S446 GMT?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Seestern S446 GMT runs a automatic gmt (Seiko NH34A GMT).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeestern S446 GMT

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Seestern S446 GMT

S446.BS

MSRP $299

At a glance

16 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

S446 GMT39.5mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

S446 GMT41hh

Water Resistance

Ref. 5330 Diving Chronometer Date300m

S446 GMT100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

S446 GMT$299

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Yes

Inner

Dial Color

Black

Cream

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

SoProd M100

Seiko NH34A GMT

Beat Rate

28,800 vph

3 vph

Power Reserve

42h

41hh

Jewels

Complications

COSC, Date

GMT, Date

Pricing

1 specs

MSRP

$2,005

$299

Follow this matchup

Get a note when Serica Ref. 5330 Diving Chronometer Date vs Seestern S446 GMT gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring