Seiko Cal. 6646 - 923

The 6646-923 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-53c532d7264a]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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