Seiko Cal. 4487 - 350

This Hand-Winding model from 1988 features a 44mm Gold-Plated case. Powered by the 4487 caliber with 17j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-e4ffb9696020]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1988

Related Models

• Seiko 4427-805
• Seiko 3822-923
• Seiko 4572-533
• Seiko 5259-657
• Seiko 3874-354
• Seiko 7159-446
• Seiko 4510-350
• Seiko 7197-586
• Seiko 7040-328
• Seiko 7075-429
• Seiko 4411-399
• Seiko 7117-941