Seiko Cal. 6667 - 540

The Seiko 6667-540 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-cdd4bf47a8ce]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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