Which is cheaper, the Straton Syncro MKII Mechanical Chrono or the Longines ULTRA‑CHRON CARBON?

At MSRP the Straton Syncro MKII Mechanical Chrono is the cheaper of the two at $599, against $5,550 for the Longines ULTRA‑CHRON CARBON — a $4,951 gap before any retailer discounting.

Which is bigger, the Straton Syncro MKII Mechanical Chrono or the Longines ULTRA‑CHRON CARBON?

The Longines ULTRA‑CHRON CARBON wears larger at 43mm versus 40mm for the Straton Syncro MKII Mechanical Chrono — a 3mm difference across the dial.

Which has better water resistance, the Straton Syncro MKII Mechanical Chrono or the Longines ULTRA‑CHRON CARBON?

The Longines ULTRA‑CHRON CARBON is rated to 300m versus 100m for the Straton Syncro MKII Mechanical Chrono.

What movement does the Straton Syncro MKII Mechanical Chrono run compared to the Longines ULTRA‑CHRON CARBON?

The Straton Syncro MKII Mechanical Chrono runs a manual caliber (Seagull ST19), while the Longines ULTRA‑CHRON CARBON runs a automatic (L836.6).

Side by side

Straton Straton Syncro MKII Mechanical ChronovsLongines ULTRA‑CHRON CARBON

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

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

Longines ULTRA‑CHRON CARBON

L2.839.4.52.2

MSRP $5,550

At a glance

21 of 29 specs differ

Diameter

Straton Syncro MKII Mechanical Chrono40mm

ULTRA‑CHRON CARBON43mm

Power Reserve

Straton Syncro MKII Mechanical Chrono—

ULTRA‑CHRON CARBON52h

Water Resistance

Straton Syncro MKII Mechanical Chrono100m

ULTRA‑CHRON CARBON300m

MSRP

Straton Syncro MKII Mechanical Chrono$599

ULTRA‑CHRON CARBON$5,550

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Domed

—

AR Coating

Underside

Both sides

Dial Color

—

Silver

Indices

—

Applied indexes

Lume

None

Super-LumiNova

Movement

7 specs

Caliber

Seagull ST19

L836.6

Type

Manual

Automatic

Beat Rate

0 vph

36,000 vph

Power Reserve

52h

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds

Pricing

1 specs

MSRP

$599

$5,550

Follow this matchup

Get a note when Straton Syncro MKII Mechanical Chrono vs Longines ULTRA‑CHRON CARBON gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring