Which is bigger, the Seagull Tonneau Case Day-date Calendar Watch 34mm or the Sternglas Sedius?

The Sternglas Sedius wears larger at 40mm versus 34mm for the Seagull Tonneau Case Day-date Calendar Watch 34mm — a 6mm difference across the dial.

What movement does the Seagull Tonneau Case Day-date Calendar Watch 34mm run compared to the Sternglas Sedius?

The Seagull Tonneau Case Day-date Calendar Watch 34mm runs a automatic caliber (ST2100), while the Sternglas Sedius runs a quartz (Seiko VH31).

Side by side

Seagull Tonneau Case Day-date Calendar Watch 34mmvsSternglas Sedius

Q: Which is cheaper, the Seagull Tonneau Case Day-date Calendar Watch 34mm or the Sternglas Sedius?

At MSRP the Sternglas Sedius is the cheaper of the two at $301, against $489 for the Seagull Tonneau Case Day-date Calendar Watch 34mm — a $188 gap before any retailer discounting.

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

Add a watch

Seagull Tonneau Case Day-date Calendar Watch 34mm

1051

MSRP $489

See the full Tonneau Case Day-date Calendar Watch 34mm

MSRP $301

At a glance

11 of 29 specs differ

Diameter

Tonneau Case Day-date Calendar Watch 34mm34mm

Sedius40mm

Power Reserve

Tonneau Case Day-date Calendar Watch 34mm—

Sedius—

Water Resistance

Tonneau Case Day-date Calendar Watch 34mm50m

Sedius50m

MSRP

Tonneau Case Day-date Calendar Watch 34mm$489

Sedius$301

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

—

Movement

4 specs

Caliber

ST2100

Seiko VH31

Type

Automatic

Quartz

Power Reserve

—

Jewels

—

Pricing

1 specs

MSRP

$489

$301

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Seagull Tonneau Case Day-date Calendar Watch 34mmvsSternglas Sedius

At a glance

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