Seiko Cal. 4521 - 609

This Spring Drive model from 1989 features a 46mm PVD Black case. Powered by the 4521 caliber with 23j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-11b1fbf6970b]

Also known as: Turtle, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1989

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