Seiko Cal. 6660 - 436

The Seiko 6660-436 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-bd8df7ea928d]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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