Manufacturer: Certina
Model: Argonaut
Reference: 8401-501
Functions: chronograph - small running second - luminous hand - screwed-on caseback
Material: Stainless steel
Dial: reverse panda (black dial, white subdials)
Watch glass: acrylic crystal
Bracelet: leather
Type of clasp: pin buckle
Length: 42mm
Width: 38mm
Caliber name: Certina 29-063 (based Valjoux 23)
Movement type: manual wound
Year of Manufacture: 1971
Overall condition: 10 - NOS (new old stock) - unworn or almost unworn
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