Seiko Cal. 5631 - 919

Released in 1996, the Cal. 5631 with design code 919 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-c15aa18bdfc5]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1996

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