Seiko Cal. 5222 - 412

The Seiko 5222-412 represents an important milestone in Seiko's 1965 lineup. Powered by the 5222 caliber with 22j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-3293903f1898]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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