Seiko Cal. 4521 - 212

This Spring Drive model from 1993 features a 44mm Titanium case. Powered by the 4521 caliber with 28j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-02b955978b6d]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1993

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