Seiko Cal. 4487 - 493

The Seiko 4487-493 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-5526192b1911]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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