Seiko Cal. 6646 - 461

The 6646-461 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-8ce60560ba59]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1998

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