Seiko Cal. 5633 - 435

The Seiko 5633-435 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-87bfd83253a1]

Also known as: Turtle, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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