Yema - Sous-Marine Small Second Date - 1960s

Technical Specifications:
brand: Yema
year: 1960s
movement: hand-wound 
function: Sub-second, date
case material: stainless steel
case back material: stainless steel 
case dimensions excluding crown: 36mm
case dimensions with crown: 36.6mm
dimensions Lug-to-lug: 42.7mm
thickness (including Crystal): 10mm
dimensions Lug width: 19mm
strap: not original 
Buckle: not original
crown: original
Crystal: plexiglass (condition: 7/10)
water-resistant: no
box: no
paper: no
document: professional invoice 

NB: Some dates (approximately 5) do not align perfectly, see photos. This does not affect the watch's proper functioning.

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