Seiko Cal. 3877 - 839

Released in 1994, the Cal. 3877 with design code 839 was part of Seiko's domestic market collection. Powered by the 3877 caliber with 19j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e54029958433]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1994

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