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Promaster series mechanical divers with a high level movement, sapphire crystal and titanium case. Super Titanium is a material that has passed the original titanium processing technology and surface hardening technology (Duratect). It is 40% lighter than stainless steel and has a surface hardness more than 5 times that of stainless steel.


Citizen NB6021-17E

¥107,800 Regular Price
¥97,020Sale Price
  • Automatic and hand-wound mechanical movement, stop second, caliber 9051

    Power reserve about 40 hours, movement on 24 ruby stones, frequency 28800 ppm, accuracy according to the passport from -10 to +20 seconds per day

    Case titanium with Duratect coated

    Polyurethane strap

    Sapphire glass with anti-reflective coating

    Water resistant 200 meters

    Anti-magnetic 16000 A/m

    Dimensions: diameter 41 mm, thickness 12.3 mm, weight about 75 g. / adjustable strap size 142 - 214 mm / between temples 20 mm

    Made in Japan for Japan (JDM)

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