Seiko Cal. 4417 - 727

Released in 1969, the Cal. 4417 with design code 727 was part of Seiko's domestic market collection. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ef8ae417da21]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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