Seiko Cal. 4570 - 550

Released in 1978, the Cal. 4570 with design code 550 was part of Seiko's domestic market collection. Powered by the 4570 caliber with 17j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-49092fa2bffb]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

Related Models

• Seiko 4431-130
• Seiko 3821-418
• Seiko 4453-118
• Seiko 3863-535
• Seiko 5228-154
• Seiko 6175-802
• Seiko 5270-368
• Seiko 4469-717
• Seiko 3886-379
• Seiko 6147-610
• Seiko 3871-954
• Seiko 7156-224