Ontic Utility 40vsTissot Seastar 1000 GMT

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Ontic Utility 40

Ref. utility40-ember·MSRP $799

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Buy from Ontic Used on eBay

Tissot Seastar 1000 GMT

MSRP $575

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Buy from Tissot Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Utility 40

Seastar 1000 GMT

Diameter

Across the case, crown excluded.

40mm

Lug-to-Lug

The number that decides fit.

46mm

n/a

Thickness

How it sits under a cuff.

12mm

11.8mm

lowest

Water Resistance

Rated in meters.

300m

MSRP

Sticker price, new.

$799

$575

lowest

Movement

What drives the hands.

Solar

11.5'

Spec

Utility 40

Seastar 1000 GMT

Case

4 specs

Thickness

12mm

11.77mm

Lug-to-Lug

46mm

n/a

Lug Width

n/a

20mm

Material

titanium

Stainless Steel

Crystal & Dial

3 specs

Dial Color

n/a

Black

Indices

n/a

Indexes

Lume

None

Super-LumiNova ®

Movement

2 specs

Caliber

n/a

11.5'

Type

Solar

Quartz

Pricing

1 specs

MSRP

$799

$575

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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Ontic Utility 40

Owners widely appreciate the Ontic Utility 40's 40mm titanium case, which is hardened for scratch resistance, and its functional dial with ample Super-LumiNova. The solar-powered quartz movement is seen as a practical choice for reliability, though some prefer mechanical movements for tool watches. Some owners find the price high compared to other titanium solar dive watches. On balance, owners and reviewers rate the Ontic Utility 40 highly for its durable titanium construction and practical solar-quartz movement.

Time + Tide

WatchUSeek

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, improved finishing, and GMT complication, with one owner expressing deep satisfaction. A potential drawback noted by the community is that Swiss quartz movements, unlike some Japanese counterparts, may exhibit second hands that do not precisely align with dial markers. On balance, owners rate the Tissot Seastar 1000 GMT highly for its build quality and useful GMT function at its price point.

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