Seiko Cal. 6331 - 187

Released in 1988, the Cal. 6331 with design code 187 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-eb84ef097b10]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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