Seiko Cal. 3875 - 783

The 3875-783 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3875 caliber with 30j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-7a8d5bb220b6]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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