Seiko Cal. 3894 - 628

The 3894-628 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3894 caliber with 26j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-dfd1de68d2d4]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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