Seiko Cal. 4418 - 891

This Hand-Winding model from 1993 features a 39mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-e5def4833f96]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1993

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