Seiko Cal. 4521 - 833

This Hand-Winding model from 1980 features a 43mm Titanium case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fa1baadb2667]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1980

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