Seiko Cal. 4487 - 203

This Hand-Winding model from 1977 features a 41mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-587f925b3861]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

Related Models

• Seiko 0799-520
• Seiko 6621-437
• Seiko 7044-379
• Seiko 6389-337
• Seiko 5290-115
• Seiko 7033-639
• Seiko 6262-503
• Seiko 6652-821
• Seiko 7176-234
• Seiko 0778-521
• Seiko 5244-643
• Seiko 7146-814