Seiko Cal. 4521 - 525

The 4521-525 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4521 caliber with 33j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-75a6b8d39bfd]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1992

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