Seiko Cal. 6646 - 694

The 6646-694 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-ed61429b8a59]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1983

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