Seiko Cal. 4428 - 998

This Quartz model from 1971 features a 46mm PVD Black case. Powered by the 4428 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-c9049fe2dce3]

Also known as: Panda, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1971

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