Seiko Cal. 4420 - 493

This Spring Drive model from 1998 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-817e7d9ff8e8]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1998

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