Which is cheaper, the Sangin Instruments Professional or the Tissot Seastar 1000 GMT?

At MSRP the Tissot Seastar 1000 GMT is the cheaper of the two at $575, against $679 for the Sangin Instruments Professional — a $104 gap before any retailer discounting.

Which is bigger, the Sangin Instruments Professional or the Tissot Seastar 1000 GMT?

The Sangin Instruments Professional wears larger at 43.5mm versus 40mm for the Tissot Seastar 1000 GMT — a 3.5mm difference across the dial.

What movement does the Sangin Instruments Professional run compared to the Tissot Seastar 1000 GMT?

Both watches run quartz movements — the Sangin Instruments Professional uses the Quartz (Ronda GMT) and the Tissot Seastar 1000 GMT uses the 11.5'.

Side by side

Sangin Instruments ProfessionalvsTissot Seastar 1000 GMT

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

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Sangin Instruments Professional

MSRP $679

See the full Professional

Tissot Seastar 1000 GMT

MSRP $575

See the full Seastar 1000 GMT

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At a glance

12 of 29 specs differ

Diameter

Professional43.5mm

Seastar 1000 GMT40mm

Power Reserve

Professional—

Seastar 1000 GMT—

Water Resistance

Professional300m

Seastar 1000 GMT300m

MSRP

Professional$679

Seastar 1000 GMT$575

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

—

Sapphire

Dial Color

Midnight Black

Black

Indices

—

Indexes

Lume

None

Super-LumiNova ®

Movement

1 specs

Caliber

Quartz (Ronda GMT)

11.5'

Pricing

1 specs

MSRP

$679

$575

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Sangin Instruments ProfessionalvsTissot Seastar 1000 GMT

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