Seiko Cal. 6378 - 306

The 6378-306 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-c23f862c2041]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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