Seiko Cal. 4520 - 316

The 4520-316 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-aa34f4339345]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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