Seiko Cal. 4487 - 931

The Seiko 4487-931 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-debe3c2519a2]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1997

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