Seiko Cal. 5635 - 489

The Seiko 5635-489 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-ce0c85064d4b]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1981

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