Seiko Cal. 4417 - 231

The 4417-231 is a sought-after Solar piece from Seiko's golden era. Powered by the 4417 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-2f71ff196363]

Also known as: Turtle, Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

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