Seiko Cal. 5631 - 304

The 5631-304 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ba20ce0b82f0]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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