Seiko Cal. 4520 - 355

The Seiko 4520-355 represents an important milestone in Seiko's 1992 lineup. Powered by the 4520 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-5ca9d2ec265e]

Also known as: Tuna, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1992

Related Models

• Seiko 5680-942
• Seiko 6270-731
• Seiko 5621-836
• Seiko 6380-416
• Seiko 6314-772
• Seiko 3880-433
• Seiko 6355-804
• Seiko 0759-676
• Seiko 3824-584
• Seiko 0794-267
• Seiko 0787-768
• Seiko 4567-456