Which is cheaper, the Sinn 103 St or the Boldr Marine?

At MSRP the Boldr Marine is the cheaper of the two at $439, against $2,538 for the Sinn 103 St — a $2,099 gap before any retailer discounting.

Which is bigger, the Sinn 103 St or the Boldr Marine?

The Sinn 103 St wears larger at 41mm versus 40mm for the Boldr Marine — a 1mm difference across the dial.

What movement does the Sinn 103 St run compared to the Boldr Marine?

Both watches run automatic movements — the Sinn 103 St uses the Concepto C99001 and the Boldr Marine uses the NH35.

Side by side

Sinn 103 StvsBoldr Marine

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

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Sinn 103 St

103 St

MSRP $2,538

MSRP $439

At a glance

17 of 29 specs differ

Diameter

103 St41mm

Marine40mm

Power Reserve

103 St48h

Marine—

Water Resistance

103 St200m

Marine200m

MSRP

103 St$2,538

Marine$439

Full specifications

Case

5 specs

Diameter

41mm

40mm

Thickness

15.5mm

12.3mm

Lug-to-Lug

—

46mm

Finish

polished

—

Caseback

—

Crystal & Dial

6 specs

Crystal

Acrylic

Sapphire

Crystal Shape

—

AR Coating

—

Yes

Dial Color

Black

Defender Elewana

Indices

—

Lume

Luminescent

Super-LumiNova

Movement

5 specs

Caliber

Concepto C99001

NH35

Beat Rate

28,800 vph

0 vph

Power Reserve

48h

Jewels

Complications

Date, Day-Date, Chronograph, Pilot's Bezel

None

Pricing

1 specs

MSRP

$2,538

$439

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Sinn 103 StvsBoldr Marine

At a glance

Full specifications

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