Seiko Cal. 4487 - 856

The Seiko 4487-856 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9197b50d9fc7]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1991

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