Seiko Cal. 3877 - 751

The 3877-751 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3877 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-6a0718571dc3]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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