Seiko Cal. 6312 - 946

Released in 1965, the Cal. 6312 with design code 946 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-072e58ea35af]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1965

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