Seiko Cal. 6399 - 461

Released in 1988, the Cal. 6399 with design code 461 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-286ca2fa7f01]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1988

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