Seiko Cal. 5661 - 429

Seiko 5661-429

The 5661-429 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1d3f6e8b170d]

Also known as: Helmet, Sea Horse

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1968

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