Seiko Cal. 5227 - 945

Released in 1968, the Cal. 5227 with design code 945 was part of Seiko's domestic market collection. Powered by the 5227 caliber with 17j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-1bb2fc71472c]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

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