Seiko ‘Swiss’ 4S15 Automatic

Seiko 'Swiss' 4S15 Automatic Steel

Description:
Known as the ‘Swiss’ Seiko, this model (originally SJE series) from May 1996 combines high specifications in case, movement, bracelet and crystal. Thus, a well finished stainless steel case and integrated bracelet combination are mated with a sapphire crystal and to top off – the 4S15 25 jewel high beat movement is used. At the time, this was perhaps Seiko’s best specification available outside of Japan . I am uncertain where the ‘Swiss’ label came from given that the watch was available in markets such as Thailand .

Dimensions:
Diameter 37.5mm excluding crown
Thickness 9mm
Lug width: integrated bracelet

Case:
Stainless steel, very finely brushed to the top of the lugs and bezel; remainder all polished finish
Sapphire crystal
Screw down back with mineral display window
Non screw down crown
Water resist 30m

Dial:
Frosted silvered textured dial with luminous dots
Applied polished silvered indices
Polished silvered hour and minutes hands with luminous fill
Polished silvered seconds hand with outer triangle (luminous filled)

Movement:
Seiko 4S15 automatic, 25 jewels, 28,800 bph
Quickset date
Hacking
Manual winding
Diafix shock absorbtion/lubrication to fourth and escape wheels

Band:
All stainless steel solid link integrated bracelet with brushed and polished finish and polished sides
Folding safety clasp with Seiko logo cutout

Seiko 'Swiss' 4S15 Automatic Steel

Seiko 'Swiss' 4S15 Automatic Steel

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