A Beautiful Early Helmut-Sinn 103 B SA

By Erik Gustafson | 26 January, 2018

This must be one of the best purposeful designs from all of Sinn’s history. The 103 has been around in one variation or another for decades. However, these earlier Valjoux pieces are very attractive for their design and investment potential. The clean aesthetic, aged dial, early Sinn logo design, and display back all sum to…

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