Seiko Cal. 6684 - 347

The Seiko 6684-347 represents an important milestone in Seiko's 1988 lineup. Powered by the 6684 caliber with 26j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-271a89033a8b]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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