Seiko Cal. 5639 - 878

The 5639-878 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-58b2dcd41876]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1970

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