Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00
Quartz diver · Tissot · made in Switzerland

Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00

Ref. T120.410.11.041.00 · Amazon ASIN B0BXFJXKKQ
QuartzSapphire crystal300 m40 mm

The quartz Seastar 1000 in blue: 40 mm, 300 m water resistance, screw-down crown, sapphire crystal, steel bracelet, Swiss quartz.

Case diameter40 mm
Lug width21 mm
Made inSwitzerland
Warranty2 years
Amazon price · new
$515.00
Value Score
41 of 100
Rank in type
5 of 5 quartz dive-style watches
Spec points
69
vs. type median
+420% ($99)
Amazon sales rank
#2,174 wrist watches
View T120.410.11.041.00 on Amazon

In stock · sold by Amazon.com. Price as of November 3, 2026, 18:15 UTC.

Specifications

What you get

Published manufacturer specifications. Fields we could not verify are left out rather than guessed.

ReferenceT120.410.11.041.00
MovementQuartz
CrystalSapphire
Water resistance300 m
Screw-down crownYes
Case diameter40 mm
Lug width21 mm
Strap / braceletSteel
LumeYes
Calendardate
Made inSwitzerland
Warranty2 years
Value Score

How the 69 spec points add up

Value Score = 100 × √(spec points per dollar ÷ the best ratio among quartz dive-style watches in stock on Amazon today). Full methodology.

Quartz+14
Sapphire crystal+15
300 m water resistance+17
Screw-down crown+5
Steel bracelet+6
Luminous hands and markers+4
Date+2
Made in Switzerland+6
Spec points69
Alternatives

Compared with other quartz dive-style watches

Same type, other model families, verified Amazon prices today. See the full Quartz Dive-Style Watches ranking →

Watches ranked by Value Score
#WatchMovementCrystalWater res.Case diameter × lug-to-lugFits wristSpec ptsPriceValue ScoreBuy
1
Casio Duro MDV-106
4 variants · priced: MDV106-1A
QuartzMineral200 m44 × 48 mm≥ 17.3 cm (6.8″)53$67.88100Amazon
2
Invicta Pro Diver Quartz
2 variants · priced: 30019
QuartzMineral100 m43 mm—48$62.95third-party99Amazon
3
QuartzMineral200 m44 × 48 mm≥ 17.3 cm (6.8″)56$98.99third-party85Amazon
4
High-accuracy quartz (Precisionist 262 kHz)Mineral300 m42 mm—58$245.4355Amazon
5
QuartzSapphire300 m40 mm—69$515.0041Amazon

Amazon.com prices as of November 3, 2026, 18:15 UTC — details. third-party = sold by a marketplace seller, not Amazon (warranty may differ); ships later = not in stock today, never crowned best value.

Head to head

Comparisons with the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00

FAQ

Questions about the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00

How much does the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00 cost on Amazon?
As of November 3, 2026, 18:15 UTC, the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00 (T120.410.11.041.00) is listed new on Amazon at $515.00, sold by Amazon.com. That is 420% above the median of the 5 quartz dive-style watches we track with a live price ($99). Prices change; the price shown on Amazon at checkout applies.
What is the Value Score of the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00?
Value Score 41. It earns 69 spec points (Quartz, sapphire crystal, 300 m water resistance) and today's price of $515.00 gives 13.4 points per $100. The score is 100 times the square root of that ratio divided by the best ratio among quartz dive-style watches in stock on Amazon today. The formula is published on our methodology page.
What wrist size fits the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00?
The case is 40 mm across. We do not have a verified lug-to-lug figure for this reference, so we do not publish a wrist-fit estimate.
What are alternatives to the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00?
Among quartz dive-style watches with a verified Amazon price today, the highest-scoring alternatives from other model families are: Casio Duro MDV106-1A ($67.88, Value Score 100), Invicta Pro Diver Quartz 30019 ($62.95, Value Score 99), Casio Duro MDV107D-1A2V ($98.99, Value Score 85). See the full ranking on our Quartz Dive-Style Watches page.
Straps

21 mm straps that fit the Tissot Seastar 1000 Quartz 40 mm Blue T120.410.11.041.00

The lug width is 21 mm, so any 21 mm strap fits. These are the straps we list for that width; see the lug width chart for every size and the accessories page for winders, boxes and tools.

21 mm straps
ItemKindLug widthPriceBuy
BISONSTRAP vintage leather, 21 mm, brown
21 mm fits the Orient Bambino and Tissot Gentleman.
Leather strap21 mm$13.99third-partyAmazon

Amazon.com prices as of November 3, 2026, 18:15 UTC — details. Accessories have no Value Score; they are listed for fit, not ranked.

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