Seiko Cal. 4428 - 994

Released in 1976, the Cal. 4428 with design code 994 was part of Seiko's domestic market collection. Powered by the 4428 caliber with 18j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-a0d302b9516b]

Also known as: Panda, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1976

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