Seiko 5 Sports Men’s 100M Self-Winding Automatic Watch with Lumbrite Dial Model SNZE85K1

New price:$116.95

Used Price:Not Available

Features:

Japan 23 Jewels Automatic Movement by Seiko (Calibre 7S36);
Stainless Steel Case and Band with Push-Button Fold-Over Safety Clasp;
Day/Date Display with Spanish Option, Luminous Hands and Markers, Hardlex Crystal for Durability;
Screwdown See-Thru Caseback, Rotating Compass Bezel;
Water Resistant – 100M, Case measures 40mm diameter by 13mm thick;

SEIKA 5 – the meaning of “5″ A great marketer had the idea of the 70ies: to be a SEIKO 5, the watch is to have the following 5 (five) attributes (hence the name SEIKA 5): 1. Automatic, 2. Water resistant, 3. Shock resistant, 4. Date, 5. Day Note that some SEIKA 5’s are in fact SEIKA 4, if the “Day” function is omitted, then use the 7S25 caliber. The only difference to normal found 7S26 is the omission of the day wheel. Also re-issues of Seiko 5 Sports often use the 7S36 caliber. Again the 7S36 is similar to the most popular 7S26, however, features 23 Jewels as opposed to the 21 Jewels in the 7S26. Note that all these movements beat at a rate of 21′600 BPH (beats per minute) or 6 bps (beats per second). As a comparison, an ETA 2824-2 beats at 28,800 vib BPH or 8 bps. A Miyota 82xx time 21′600 BPH. Why do I mention these three movements? Why are perhaps 80% of all automatic watches low cost. A large share of that market, however, challenged these days (2006) by the addition of a part of China was less automatic movements An automatic watch (also known as self-monitoring of dissolution) is a mechanical watch, usually an escape wheel, the source is wound by the movement of the user’s arm, instead of having to be dissolved by hand every day. Whereas a quartz watch is powered by electricity, a mechanical watch is powered by an engine that should rewind the clock to keep time.

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