Seiko Cal. 6644 - 589

The Seiko 6644-589 represents an important milestone in Seiko's 1968 lineup. Powered by the 6644 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-59d875f07e0a]

Also known as: Panda, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1968

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