Seiko Cal. 5656 - 421

The Seiko 5656-421 represents an important milestone in Seiko's 1966 lineup. Powered by the 5656 caliber with 19j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-aa9e974b01f8]

Also known as: Turtle, Samurai

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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