Seiko Cal. 5657 - 550

Released in 1987, the Cal. 5657 with design code 550 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-95d397e23ff0]

Also known as: Panda, Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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