Seiko Cal. 6635 - 350

This Automatic model from 1990 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-934956555e13]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1990

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