Seiko Cal. 3899 - 178

The 3899-178 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3899 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-716814133285]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1994

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