Seiko Cal. 3875 - 278

The 3875-278 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3875 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-fcea2c78435c]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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