Seiko Cal. 4431 - 161

The 4431-161 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-1b5bb6beee99]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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