Seiko Cal. 5673 - 963

Released in 1979, the Cal. 5673 with design code 963 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-0473cec1bef8]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1979

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