Seiko Cal. 4490 - 987

The 4490-987 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4490 caliber with 28j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-ee4022fa4be1]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

Related Models

• Seiko 5662-980
• Seiko 7066-584
• Seiko 7018-343
• Seiko 3844-147
• Seiko 5695-633
• Seiko 6359-347
• Seiko 6286-637
• Seiko 3832-491
• Seiko 5654-991
• Seiko 3878-610
• Seiko 5658-253
• Seiko 0728-469