There's no certainly no mistaking that Nixon mean business with the 51-30 watch. This impressive piece of kit is constructed from gunmetal 300m stainless steel and hardened mineral crystal with a solid link strap with double locking clasp. The 51-30 watch features a 3 hand Swiss quartz movement, an external rotating bezel, a Tide sub dial with it's own fast-adjust button and a screw crown. The watch's diameter is 51.25mm. A perfect example of why Nixon have become one of the most sought-after timepiece manufacturers!