Seiko Cal. 5665 - 406

The 5665-406 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5665 caliber with 18j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-df4de05fc98e]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

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