Seiko Cal. 0728 - 427

Released in 1988, the Cal. 0728 with design code 427 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-a0e765be38bb]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1988

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