Seiko Cal. 3874 - 511

Released in 1968, the Cal. 3874 with design code 511 was part of Seiko's domestic market collection. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-55caa1ccd75b]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

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