Seiko Cal. 4431 - 632

The 4431-632 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-9f7f9eaf0db0]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1967

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