Tissot Seastar 1000 vs Marathon TSAR

Both are dive watches in the upper tier. In short: the Tissot Seastar 1000 is mechanical (automatic) for the enthusiast feel and no battery; the Marathon TSAR is quartz for accuracy and low maintenance. The Tissot Seastar 1000 is automatic, 300m water resistance, 43mm, sapphire crystal; the Marathon TSAR is quartz, 300m water resistance, 41mm, sapphire crystal.

Last verified 2026-06-27 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

Spec	Tissot Seastar 1000	Marathon TSAR
Movement	Automatic	Quartz
Water resistance	300m	300m
Case size	43mm	41mm
Crystal	sapphire	sapphire
Style	Dive	Dive
Price tier	Upper	Upper

Which should you buy?

The Tissot Seastar 1000 is mechanical (automatic) for the enthusiast feel and no battery; the Marathon TSAR is quartz for accuracy and low maintenance
The Tissot Seastar 1000 wears 43mm vs the Marathon TSAR's 41mm — choose by wrist size

Where to buy

Tissot Seastar 1000See price on AmazonCheck price

Marathon TSARSee price on AmazonCheck price

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FAQ

What's the difference between the Tissot Seastar 1000 and the Marathon TSAR?
Both are dive watches in the upper tier. The Tissot Seastar 1000 is automatic, 300m water resistance, 43mm, sapphire crystal; the Marathon TSAR is quartz, 300m water resistance, 41mm, sapphire crystal.

Which is better value, the Tissot Seastar 1000 or the Marathon TSAR?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

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