Seiko Cal. 6660 - 906

The Seiko 6660-906 represents an important milestone in Seiko's 1974 lineup. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-d51f7bf64a8a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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