Seiko Cal. 4428 - 648

This Spring Drive model from 1989 features a 45mm Gold-Plated case. Powered by the 4428 caliber with 32j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-e59362b3d94d]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

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