Seiko Cal. 6683 - 991

The Seiko 6683-991 represents an important milestone in Seiko's 1981 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-09ae527be3e7]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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