Seiko Cal. 6647 - 401

The Seiko 6647-401 represents an important milestone in Seiko's 1984 lineup. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-9fd609191f46]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1984

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