Seiko Cal. 0720 - 550

The Seiko 0720-550 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-4c77e1d2ab57]

Also known as: Samurai, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1968

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