Gruen Flip Top Veri-Thin Precision Watch BRAND_Aquadive as well as a Tachymeter

as well as a Tachymeter scale which calculates speed by timing distance to travel one mile

One can then line up the south pointer on the internal rotating crystal at this point

BRAND:  Hamilton Brockton

BAND/BRACELET:  Brand New Genuine Leather Black Band With Matching Silver Tone Buckle

Offered is this fine looking Hamilton Accumatic A-504 that winds

Gruen Flip Top Veri-Thin Precision Watch BRAND_Aquadive as well as a TachymeterOffered is this great looking vintage Gruen Flip Top watch that winds, sets, and runs great. It keeps excellent time. It is a fine example of this era of men's dress watches. It is signed on the case, dial, crown, and movement. The movement has just been serviced as well. The button below the 6 position allows the top to flip up and holds it in place until the owner decides to read the time. It opens in a similar fashion to a hunting case pocket