Seiko Cal. 3880 - 447

The 3880-447 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3880 caliber with 35j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-4605a03e1b31]

Also known as: Rally, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

Related Models

• Seiko 0746-345
• Seiko 4588-216
• Seiko 6112-646
• Seiko 3863-910
• Seiko 5649-273
• Seiko 6174-473
• Seiko 0762-805
• Seiko 4590-974
• Seiko 4492-770
• Seiko 7084-618
• Seiko 4449-409
• Seiko 7014-696