Seiko Cal. 6331 - 788

Released in 1995, the Cal. 6331 with design code 788 was part of Seiko's domestic market collection. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-582cb61dc6a0]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1995

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