Seiko Cal. 6318 - 311

Released in 1989, the Cal. 6318 with design code 311 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-8162100a18ce]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1989

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