Seiko Cal. 4521 - 407

This Hand-Winding model from 1991 features a 41mm Titanium case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-be6aa5f918da]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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