Seiko Cal. 5656 - 667

Released in 1991, the Cal. 5656 with design code 667 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-4b26d720aba8]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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