Seiko Cal. 5635 - 903

The 5635-903 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-5929e389a2e1]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1981

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