Seiko Cal. 3873 - 747

The 3873-747 is a sought-after Solar piece from Seiko's golden era. Powered by the 3873 caliber with 19j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-0b3351d69311]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1984

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