Seiko Cal. 6644 - 734

Released in 1998, the Cal. 6644 with design code 734 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-7e19fc8cb083]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1998

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