Seiko Cal. 6331 - 467

Released in 1965, the Cal. 6331 with design code 467 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-927bd7ce797f]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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