Fortis Cosmonaut 647.18.31

Fortis Cosmonaut 647.18.31

42mm · Stainless Steel · Caliber 2836-2 · 200m

Official Cosmonauts Day-Date Monolith

Brand
Fortis
Full reference
647.18.31
Also written as
6471831
Collection
Cosmonaut
Case diameter
42mm
Case thickness
12mm
Lug width
20mm
Case material
Stainless Steel
Crystal
Sapphire
Water resistance
200m
Caliber
2836-2
Dial color
Black

Related references — same collection

Shared specifications help discovery; these links do not assert a predecessor or successor relationship.

Compare specifications

Specification647.18.31647.10.11623.10.41623.10.42623.10.51
Case diameter42mm42mm40mm40mm40mm
Case materialStainless SteelStainless SteelStainless SteelStainless SteelStainless Steel
Water resistance200m200m200m200m200m
Caliber2836-22836-22836-22836-22836-2

Sources & record notes

Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. WatchBase.

WatchBase · Fortis 647.18.31

Original collection: Cosmonaut

Images are loaded from the cited external sources. Copyright remains with its holders; permission to reproduce locally has not been established.

Corrections and data limitations