Seiko Cal. 6646 - 747

The 6646-747 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6646 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-f4c3e7b330fc]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1970

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