Seiko Cal. 4487 - 131

This Quartz model from 1967 features a 41mm Gold-Plated case. Powered by the 4487 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-c03cfe4dd507]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1967

Related Models

• Seiko 7184-650
• Seiko 6266-870
• Seiko 5698-741
• Seiko 5250-198
• Seiko 7027-105
• Seiko 6281-537
• Seiko 6367-879
• Seiko 5237-242
• Seiko 6336-943
• Seiko 5286-244
• Seiko 4485-588
• Seiko 5262-862