Seiko Cal. 6658 - 667

The Seiko 6658-667 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-4352178542c2]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1970

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