Vostok Europe Lunokhod 2 YM86/620A505

Movement
Seiko YM86
Japanese multi-function movement from Seiko
Day, Date, Day of Week, Month of Year
Leap year indication with perpetual calendar
Split-second chronograph with elapsed time up to 24 hours
Sound alarm
Leap year indication with perpetual calendar

Watch case
Material: stainless steel
Diameter: 49 mm
Height: 17.5 mm
Water resistance: 30 ATM -- 300 meters -- 984 feet
Glass: anti-reflective K1 mineral crystal
Crown: screw-in
Case back: push/pull crown
Illumination: Tritium tube illumination
120 click Unidirectional rotating bezel
Engraved serial number
Dial color: Orange and black
An automatic helium release valve. It is integrated in the watch case spring-loaded one-way valve activated when the difference between the inner and the outside pressure reaches a critical level. This function is useful for commercial divers operating at great depths using diving bells with breathing gas mix inside.

Strap
Material: comes with both leather and silicon
Lug width: 24 mm
Buckle: tang buckle out of stainless steel
Engraved Vostok Europe logo

Content
Vostok Europe Lunokhod 2 multi-function watch
2 straps in total (leather and silicone): 1x pre-mounted strap, 1x additional strap
Vostok Europe dry box (see item images for details)
Vostok-Europe changing tool.
arranty pass with operating instructions