Seiko Cal. 7149 - 866

The 7149-866 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7149 caliber with 36j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-f31e7ee4fc36]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1989

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