Seiko Cal. 6684 - 171

Released in 1985, the Cal. 6684 with design code 171 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ab49dae25e57]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

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