Seiko Cal. 4487 - 422

This Automatic model from 1998 features a 43mm PVD Black case. Powered by the 4487 caliber with 19j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-ed5dfb490ec3]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1998

Related Models

• Seiko 7172-411
• Seiko 6329-415
• Seiko 4451-432
• Seiko 6680-111
• Seiko 6292-152
• Seiko 3850-687
• Seiko 7115-189
• Seiko 6230-543
• Seiko 5621-605
• Seiko 0726-659
• Seiko 7144-299
• Seiko 5230-482