Seiko Cal. 3873 - 963

The 3873-963 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3873 caliber with 30j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-72ff01ccd370]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1983

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