Seiko Cal. 5631 - 163

The 5631-163 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-6edd2155bcab]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

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