Seiko Cal. 6318 - 591

Released in 1987, the Cal. 6318 with design code 591 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1fd3154bd5c5]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1987

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