Seiko Cal. 5644 - 122

The Seiko 5644-122 represents an important milestone in Seiko's 1973 lineup. Powered by the 5644 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f17c5a283057]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1973

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