Seiko Cal. 6378 - 434

The 6378-434 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-000206c4d92a]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1984

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