Seiko Cal. 4427 - 775

The 4427-775 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4427 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-41f9585e1c7d]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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