Seiko Cal. 6218 - 509

Released in 1978, the Cal. 6218 with design code 509 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-899ed3db1557]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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