Seiko Cal. 6631 - 819

The Seiko 6631-819 represents an important milestone in Seiko's 1983 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-8ffdd8ffb1dc]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1983

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