Seiko Cal. 0720 - 938

The Seiko 0720-938 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-649bb458109a]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1987

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