Citizen NK5010-51L TSUYOSA Small Second Automatic Blue Dial Citizen Eco-Drive Promaster Super Sport JW0111-55E Once the internal discs are

Once the internal discs are synchronized

2nd Time Zone

Introduced in 1961 and in production until 1975

" Japan's first watch with a stopwatch function

small sweep

Citizen NK5010-51L TSUYOSA Small Second Automatic Blue Dial Citizen Eco-Drive Promaster Super Sport JW0111-55E Once the internal discs areThe "Tsuyosa" Small Second Automatic brings ultramodern all purpose styling right to your wrist. Executed in a versatile 40mm footprint, the sophisticated design of this timepiece makes a strong impression via a silver tone stainless steel case and a seamlessly integrated, quickly interchangeable bracelet. A recessed crown at the 4 o'clock position adds to the watch's sleek silhouette, while an automatic movement capable of a 60 hour power reserve