Seiko Cal. 5634 - 763

Released in 1987, the Cal. 5634 with design code 763 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-e72adc2cb187]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1987

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