Unique hand winding chronograph originally created for the Chinese Air Force in 1963. The dial mentions «21 zuan», Chinese for «21 jewels». The symbols on the lower half spell «China – Tianjin Watch Factory».

Unique hand winding chronograph originally created for the Chinese Air Force in 1963. The dial mentions «21 zuan», Chinese for «21 jewels». The symbols on the lower half spell «China – Tianjin Watch Factory».

Unique hand winding chronograph originally created for the Chinese Air Force in 1963. The dial mentions «21 zuan», Chinese for «21 jewels». The symbols on the lower half spell «China – Tianjin Watch Factory».

Unique hand winding chronograph originally created for the Chinese Air Force in 1963. The dial mentions «21 zuan», Chinese for «21 jewels». The symbols on the lower half spell «China – Tianjin Watch Factory».

Unique hand winding chronograph originally created for the Chinese Air Force in 1963. The dial mentions «21 zuan», Chinese for «21 jewels». The symbols on the lower half spell «China – Tianjin Watch Factory».

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