Seiko Cal. 4520 - 315

The Seiko 4520-315 represents an important milestone in Seiko's 1970 lineup. Powered by the 4520 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-aea6b83d1020]

Also known as: Samurai, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

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