Seiko Cal. 0720 - 612

The Seiko 0720-612 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-ad52a9a51f4a]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1965

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