Seiko Cal. 4427 - 712

The 4427-712 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-56c34c64b6d6]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

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