Seiko Cal. 3872 - 161

The Seiko 3872-161 represents an important milestone in Seiko's 1988 lineup. Powered by the 3872 caliber with 34j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-77f9c8936cb7]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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