Seiko Cal. 6616 - 441

Seiko 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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