How much does the Sinn 105 St Sa UTC cost?

The Sinn 105 St Sa UTC has a manufacturer MSRP of $1,998 USD. On the secondary market it averages around —.

What movement does the Sinn 105 St Sa UTC use?

The Sinn 105 St Sa UTC is powered by the Sellita SW330-2 automatic movement with a 38-hour power reserve.

How big is the Sinn 105 St Sa UTC?

The case measures 41mm in diameter, 11.9mm thick.

What is the water resistance of the Sinn 105 St Sa UTC?

The Sinn 105 St Sa UTC is rated to 200m of water resistance.

What kind of crystal does the Sinn 105 St Sa UTC have?

The Sinn 105 St Sa UTC uses a Sapphire crystal.

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Sinn 105 St Sa UTC

Name: Sinn 105 St Sa UTC
Brand: Sinn
SKU: 105 St Sa UTC
Price: 1998 USD
Availability: InStock

Ref. 105 St Sa UTC · Tool

$1,998

Buy from Sinn Find used on eBay

Case

Diameter: 41mm
Thickness: 11.9mm
Lug width: 20mm
Material: Stainless Steel
Finish: bead-blasted
Water resistance: 200m

Crystal & dial

Crystal: Sapphire
AR coating: Underside
Dial colour: Black
Lume: Luminescent

Movement

Caliber: Sellita SW330-2
Type: Automatic
Beat rate: 28,800 vph
Power reserve: 38h
Jewels: 25
Hacking: No
Hand-winding: No
Complications: Date, GMT

Sellita

Sellita's GMT caliber featuring an independently adjustable 24-hour hand for dual timezone tracking. Based on the SW200 architecture with an additional GMT module, it offers a 56-hour power reserve that exceeds the base SW200's 38 hours. The true GMT function with jumping local hour allows quick timezone changes, making it a practical choice for brands building travel watches at accessible price points.

Design language

Case shape: round
Dial style: standard
Bezel: rotating_bidirectional
Bracelet: leather_strap

AI-detected from the product image

4 colorways

Alternatives

The living market

This one moves.

Gathered from listings that closed on r/Watchexchange and WatchUSeek. Not appraisals or offers.

Retail$1,998

Nothing listed right now, and 1 closed in the last 90 days.

The weekly trend, on a real time scale
How long one takes to sell, from the listings that closed

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The community take

Owners talk.

Owners and reviewers widely praise the Sinn 105 St Sa UTC for its legible dial, precise bi-directional bezel action, and the technical, toolish aesthetic of its bead-blasted, TEGIMENT-hardened steel case. The watch is noted for its smooth sweep and snappy date change, with accuracy often within COSC standards, and its vertical day/date display with a German day wheel is a distinctive feature. Some owners find the lug-to-lug distance large for smaller wrists, and the bracelet clasp is considered a weakness by one source, while the non-lumed UTC hand is a deliberate design choice. The Sinn 105 St Sa UTC utilizes a Sellita SW330-1 automatic movement with a 42-hour power reserve and offers 200 meters of water resistance. Overall, the consensus is that owners and reviewers rate the Sinn 105 St Sa UTC highly for its robust build quality and functional tool watch design at its price point.

Synthesized from 4 sources

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