Seiko Cal. 4413 - 691

This Quartz model from 1990 features a 45mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-eea15abf8406]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1990

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