Seiko Cal. 5631 - 322

The 5631-322 is a sought-after Solar piece from Seiko's golden era. Powered by the 5631 caliber with 24j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4bdcf1eec280]

Also known as: Monster, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1984

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