Seiko Cal. 6661 - 443

The 6661-443 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-3ffe2518ff4a]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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