Seiko Cal. 6646 - 441

The 6646-441 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6646 caliber with 18j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-2ce96204971a]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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