Seiko Cal. 5288 - 721

The Seiko 5288-721 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-e4c0437399b0]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

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