Seiko Cal. 5635 - 831

The Seiko 5635-831 represents an important milestone in Seiko's 1973 lineup. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-5b83872e24fd]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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