Seiko Cal. 6616 - 441

The 6616-441 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6616 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-e0a62210237a]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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