Seiko Cal. 4528 - 948

The Seiko 4528-948 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-984c8a4888b1]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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