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ChronoVerdict

Head to head

Swiss Military Plongée SMA34075.03 vs Tissot Seastar 1000

Two automatic watches from different brands, €54 apart, recorded at Tempus on 12 November 2026.

What the spec sheets say

The Swiss Military Plongée SMA34075.03 leads on 1 point (water resistance), the Tissot Seastar 1000 on 2 (price at our check and thickness).

  • Choose the Swiss Military Plongée SMA34075.03 if you plan to swim or dive with it.
  • Choose the Tissot Seastar 1000 if you want to pay less (a €54 gap) and you prefer a slimmer case.

Line by line

CriterionSwiss MillitaryTissot
Price at our check€949€895Advantage
MovementAutomaticAutomatic
CalibreSellita Automatic Cal. SW200—
CrystalSapphireSapphire
Water resistance500 mAdvantage300 m
Diameter44 mm43 mm
Thickness14 mm12.7 mmAdvantage

Comparison based on the retailer’s spec sheets, without handling the watches. Criteria with no objective winner (diameter, calibre) are left undecided.

Questions

Short answers

Which is cheaper, the Swiss Military Plongée SMA34075.03 or the Tissot Seastar 1000?

The Tissot Seastar 1000, at €895 against €949 at our check on 12 November 2026.

Which is more water-resistant?

The Swiss Military Plongée SMA34075.03, water-resistant to 500 m against 300 m.

Do they have the same crystal?

Yes, a sapphire crystal on both.