Seiko Cal. 6678 - 444

This Hand-Winding model from 1979 features a 39mm Gold-Plated case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e2ced7c740ca]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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