Seiko Cal. 6378 - 454

The Seiko 6378-454 represents an important milestone in Seiko's 1997 lineup. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5782e8880551]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1997

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