Seiko Cal. 3874 - 143

Released in 1975, the Cal. 3874 with design code 143 was part of Seiko's domestic market collection. Powered by the 3874 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-da7fc989701f]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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