Seiko Cal. 5663 - 535

The 5663-535 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-9e0bab301fdc]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1989

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