Seiko Cal. 6647 - 447

The 6647-447 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-7bbe00ec26d8]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

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