Seiko Cal. 5644 - 619

The Seiko 5644-619 represents an important milestone in Seiko's 1966 lineup. Powered by the 5644 caliber with 32j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-286da4da3020]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1966

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