Seiko Cal. 5635 - 431

Released in 1968, the Cal. 5635 with design code 431 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-95d1cded44e2]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1968

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