Seiko Cal. 6647 - 604

The Seiko 6647-604 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-421de15ebbd7]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1974

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