Seiko Cal. 6650 - 716

This Spring Drive model from 1972 features a 35mm Stainless Steel case. Powered by the 6650 caliber with 28j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-768f6fc70ad8]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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