Seiko Cal. 5644 - 122

The Seiko 5644-122 represents an important milestone in Seiko's 1979 lineup. Powered by the 5644 caliber with 34j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-01061e4638ab]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1979

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