Seiko Cal. 3879 - 527

The 3879-527 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3879 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-2d8babe2487f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

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