Seiko Cal. 6644 - 462

Released in 1971, the Cal. 6644 with design code 462 was part of Seiko's domestic market collection. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ee32cdccd5a6]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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