Seiko Cal. 3820 - 740

This Quartz model from 1998 features a 42mm Titanium case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-6bb93ac673c4]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1998

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