Seiko Cal. 5631 - 980

Released in 1989, the Cal. 5631 with design code 980 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-cebbfbc43ff9]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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