Seiko Cal. 4487 - 182

This Automatic model from 1975 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-f9556e460fee]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1975

Related Models

• Seiko 6227-112
• Seiko 6385-748
• Seiko 5622-775
• Seiko 5230-264
• Seiko 7155-493
• Seiko 7115-841
• Seiko 5654-331
• Seiko 7130-195
• Seiko 6654-695
• Seiko 4531-434
• Seiko 7168-921
• Seiko 6110-124