Seiko Cal. 5635 - 990

The 5635-990 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-b8e5388f45db]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1983

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