Seiko Cal. 3878 - 885

The 3878-885 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3878 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-8c6a251356ed]

Also known as: Panda, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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