Brand: SEIKO MARVEL ANTISHOCK
16 (05/07/20 2130)
Gender: Men's
Case no: 77xxxx / J13010 M
Function: Hour, min & sec hands
Caliber: -
Vibrations per hour: 18,000
Production year: July 1957's
Driving system: Hand winding
Dial: Nice white color pattern dial original
Dial no: JAPAN
Crystal: Acrylic (Some fine hair scratches)
Crown: Signed S original (Some faded)
Case: 14k Gold filled gold plating (Fine scratches)
Case back: Stainless steel (Fine scratches)
Dimensions of case: 32.5 x 37.5 mm (Excluding crown)
Case lug width: 19mm
Condition: Used, working, very fine in as found condition as you can see at the Picture
Service: Yes
Power reserve: Fully wind or charged will last up to 33 to 38 hour's depend on movement
Accuracy: Tested flat & it's within 60 sec. Please see the last pic
Quick set: -
Remarks: This watch are used in Japan