Seiko Cal. 6331 - 162

Released in 1970, the Cal. 6331 with design code 162 was part of Seiko's domestic market collection. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-776dbbef8dc0]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

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