Seiko Cal. 6678 - 952

This Automatic model from 1972 features a 44mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-04a2871483a1]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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