Seiko Cal. 5288 - 997

Released in 1969, the Cal. 5288 with design code 997 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-1bd318be0aec]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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