Seiko Cal. 4421 - 553

This Quartz model from 1990 features a 40mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-0e6f3dc7fea4]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1990

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