Seiko Cal. 3813 - 139

This Quartz model from 1993 features a 40mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-75db75393fc6]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1993

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