Seiko Cal. 5644 - 922

The Seiko 5644-922 represents an important milestone in Seiko's 1985 lineup. Powered by the 5644 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-2854743ea58a]

Also known as: Turtle, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1985

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