Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA015?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $12,600 for the Grand Seiko SLGA015 — a $10,595 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 wears larger at 43.8mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 4.8mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA015?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Grand Seiko SLGA015.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 carries a 120-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 Grand Seiko SLGA015?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Grand Seiko SLGA015 runs a spring drive (9RA5).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsGrand Seiko SLGA015

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

Grand Seiko SLGA015

slga015g

MSRP $12,600

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SLGA01543.8mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SLGA015120h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SLGA015200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SLGA015$12,600

Full specifications

Case

6 specs

Diameter

39mm

43.8mm

Thickness

12.2mm

13.8mm

Lug-to-Lug

46.5mm

51.5mm

Lug Width

20mm

23mm

Material

Stainless Steel

Titanium

Water Resistance

300m

200m

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

9RA5

Type

Automatic

Spring Drive

Power Reserve

42h

120h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$12,600

Follow this matchup

Get a note when Serica Ref. 5330 Diving Chronometer Date vs Grand Seiko SLGA015 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring