Seiko Cal. 6678 - 474

The 6678-474 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-85a8671f6655]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1972

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