Seiko Cal. 6646 - 266

The Seiko 6646-266 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-bc5d3f942102]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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