Seiko Cal. 7055 - 770

The Seiko 7055-770 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-9319c3217fde]

Also known as: Helmet, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

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