Seiko Cal. 6647 - 537

The Seiko 6647-537 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-6a806e3c0077]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1972

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