Seiko Cal. 4521 - 635

Released in 1987, the Cal. 4521 with design code 635 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-f275239450b3]

Also known as: Panda, Goldfeather

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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