Seiko Cal. 6378 - 923

The 6378-923 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c8aba4efe415]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1989

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