Seiko Cal. 4431 - 460

The 4431-460 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-048fd4787cb6]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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