Seiko Cal. 6661 - 249

This Spring Drive model from 1965 features a 41mm Hardlex-Coated Steel case. Powered by the 6661 caliber with 28j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ccff273998b0]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

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