Seiko Cal. 6644 - 246

The 6644-246 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6644 caliber with 35j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-aa04369577bc]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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