Seiko Cal. 0728 - 623

The Seiko 0728-623 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-8e4b77ec1a48]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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