Seiko Cal. 0778 - 550

This Hand-Winding model from 1979 features a 46mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-c93de924f11e]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1979

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