Seiko Cal. 6651 - 321

This Spring Drive model from 1968 features a 38mm Stainless Steel case. Powered by the 6651 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-9fc248149a58]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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