Original Japanese WWII Imperial Japanese 6 x 25 Binoculars By Orient IKK With Leather Case Category_Fusee Spring & Cover the curved blade edge measures

the curved blade edge measures 5 1/2" with a 4 1/2" curved edge

There is unfortunately not much information out there on the RB number system

This example offered in very good condition and measures about 40-41" at the chest has all original snaps

Scabbard length: 12 5/8"

Original Japanese WWII Imperial Japanese 6 x 25 Binoculars By Orient IKK With Leather Case Category_Fusee Spring & Cover the curved blade edge measuresOriginal Item: Only One Available. An original pair of WWII Japanese Military Binoculars in excellent overall condition . Maker marked "ORIENT" on the left plate and IKK TOKIO on the right in a symbol that looks like a squashed shield. Power is marked as: 6 x 25. Numbered; No. 3644. Optics have slight dirt specks, but overall very clear (we have made no attempt to clean). Original black painted finish is roughly 80% intact. Textured barrel covers are