Seiko Cal. 6646 - 454

The Seiko 6646-454 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d957cb2ac60e]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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