Seiko Cal. 3823 - 177

The 3823-177 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-1db6cd428f46]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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