Seiko Cal. 6644 - 676

The 6644-676 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6644 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-d13de9a70f4f]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1995

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