Seiko Cal. 6644 - 756

The 6644-756 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6644 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e911d234df16]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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