Seiko Cal. 3873 - 561

The 3873-561 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3873 caliber with 34j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-d3622c4c82ad]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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