Seiko Cal. 6678 - 368

This Quartz model from 1965 features a 43mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-3e96fa52c4be]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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