Seiko Cal. 6642 - 852

The Seiko 6642-852 represents an important milestone in Seiko's 1998 lineup. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-e02e079a70f9]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1998

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