Seiko Cal. 6647 - 371

The Seiko 6647-371 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-2363fea89202]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1969

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