Seiko Cal. 4521 - 620

The Seiko 4521-620 represents an important milestone in Seiko's 1988 lineup. Powered by the 4521 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a39e8c2903fc]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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