Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seestern Sub 300 V4?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,995 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seestern Sub 300 V4?

The Seestern Sub 300 V4 wears larger at 42mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Seestern Sub 300 V4?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Seestern Sub 300 V4.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seestern Sub 300 V4?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 41 hours on the Seestern Sub 300 V4.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Seestern Sub 300 V4?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seestern Sub 300 V4 uses the Seiko NH35A.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeestern Sub 300 V4

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 Sub 300 V4

Sub 300 V4

MSRP $10

At a glance

16 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Sub 300 V442mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Sub 300 V441h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Sub 300 V4200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Sub 300 V4$10

Full specifications

Case

7 specs

Diameter

39mm

42mm

Thickness

12.2mm

13mm

Lug-to-Lug

46.5mm

46mm

Material

Stainless Steel

316L Stainless Steel

Finish

Brushed and polished

Brushed + Sandblasted

Water Resistance

300m

200m

Caseback

Solid

Solid screw-down

Crystal & Dial

3 specs

AR Coating

Yes

Underside

Dial Color

Black

Orange

Lume

Super-LumiNova

Japan Lume (blue glow)

Movement

5 specs

Caliber

SoProd M100

Seiko NH35A

Beat Rate

28,800 vph

21,600 vph

Power Reserve

42h

41h

Jewels

Complications

COSC, Date

GMT, Date

Pricing

1 specs

MSRP

$2,005

$10

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