Beautiful German Sinn 103 St Sa military / aviator automatic chronograph.

Reference #103.15552.

Swiss ETA 7750 automatic movement.

Stainless steel case, sapphire crystal, see through case back, screw down crown and pushers, rotating bezel.

Excellent condition with limited signs of wear, minor scratches on the case and bezel from everyday use.

Working and keeping time, everything works as it should.

Original stainless steel bracelet with extra links.

Comes with the box (slightly worn out) and warranty card - expired.