Seiko Cal. 6652 - 643

The Seiko 6652-643 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4eab75c20348]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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