Seiko Cal. 4427 - 702

The 4427-702 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4427 caliber with 29j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-ff7367ae88cf]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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