
Ref. 857 S UTC · Tool
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.
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Series 856/857 collection · 2 watches
4 colorways
The living market
Gathered from listings that closed on r/Watchexchange and WatchUSeek. Not appraisals or offers.
Nothing listed right now, and 1 closed in the last 30 days.
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The community take
Owners widely praise the Sinn 857 S UTC for its Tegiment technology and bracelet. One owner notes a long-held desire for the watch, appreciating its full Sinn feature set. On balance, owners rate the Sinn 857 S UTC highly for its robust Tegimented construction and integrated bracelet.
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