Seiko Cal. 4487 - 531

The Seiko 4487-531 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-de942a29c796]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1997

Related Models

• Seiko 0740-714
• Seiko 7037-467
• Seiko 6295-902
• Seiko 7162-474
• Seiko 7118-701
• Seiko 6229-777
• Seiko 6173-853
• Seiko 6324-492
• Seiko 5277-786
• Seiko 4530-326
• Seiko 7163-327
• Seiko 6113-418