Seiko Cal. 5660 - 151

Released in 1970, the Cal. 5660 with design code 151 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-dd3dbebe66a9]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1970

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