Seiko Cal. 6648 - 566

The Seiko 6648-566 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-bf7755bd35e8]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1967

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