Seiko Cal. 6644 - 891

The 6644-891 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6644 caliber with 30j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-1b9a2f447b2b]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1983

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