Seiko Cal. 6678 - 367

The 6678-367 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-ab162a85ee73]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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