Seiko Cal. 6679 - 731

The Seiko 6679-731 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-3b324dbf00b9]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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