Seiko Cal. 6644 - 570

The Seiko 6644-570 represents an important milestone in Seiko's 1984 lineup. Powered by the 6644 caliber with 23j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-795a66738afa]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1984

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