Seiko Cal. 6687 - 428

This Spring Drive model from 1996 features a 38mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-8b10f4a89620]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1996

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