Seiko Cal. 3879 - 688

The 3879-688 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-af73f095e420]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1993

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