Seiko Cal. 5647 - 378

The 5647-378 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-fa01382bf77e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1967

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