Seiko Cal. 5217 - 376

This Spring Drive model from 1965 features a 41mm Hardlex-Coated Steel case. Powered by the 5217 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-af169222f4a8]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1965

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