Seiko Cal. 0728 - 761

Released in 1998, the Cal. 0728 with design code 761 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-0ab84072cd05]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1998

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