Seiko Cal. 5644 - 235

The Seiko 5644-235 represents an important milestone in Seiko's 1988 lineup. Powered by the 5644 caliber with 19j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-7dda95dfbe89]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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