Seiko Cal. 5631 - 430

This Spring Drive model from 1999 features a 43mm Two-Tone case. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-5216af16563c]

Also known as: Panda, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1999

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