Seiko Cal. 5631 - 333

The 5631-333 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-b229759807ea]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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